Faculty At Electronics And Communication Department



Prof. P. K. Jain
Prof. P. K. Jain
Professor & Director
Basic Information Research Interest:-High Power RF / Microwave Devices, Circuits and Systems. RF MEMs, Metamaterial devices Microwave Imaging and Remote Sensing
Email :- pkjain@nitp.ac.in
Phone :-

Educational Qualification
  1. Ph. D (Microwave Devices and Systems) - IT-BHU, Varanasi, INDIA - 1988
  2. M. Tech (Microwave Engineering) - IT-BHU, Varanasi - 1981
  3. B. Tech (Electronics Engineering) - IT-BHU - 1979
    Memberships & Society
    1. University Central Purchase Committee, 2009, 2010, 2011, BHU - Senior Member
    2. Research Council, MTRDC, DRDO, Bangalore - Member
    3. Program Advisory Committee, TSDP, DST, Govt of India, Delhi - Member
    4. Program Advisory & Review Committee, MeitY, Govt of India, New Delhi - Member
    5. Numerous NBA and AICTE Committees - Expert Member
    6. IEEE - Senior Member
    7. Institution of Electronics and Telecommunications Engineers of India - Fellow
    8. Institution of Engineers of India - Fellow
    9. Vacuum Electron Devices and Application Society - Fellow
    10. Garuda Project (C-DAC Sponsored), IT-BHU, 2011 - Member Core Committee
      Current Administrative Responsibility
      1. Director, National Institute of Technology, Patna
        Past Administrative Responsibility
        1. Dean (Research & Development), IIT(BHU) from July 2014 to Nov 2017
        2. Head, Department of Electronics Engineering, IIT(BHU) Nov. 2013 to April 2015
        3. Chairman, Institute Telecom Committee, 2013 - 2017
        4. Chairman, Institute Central Purchase Cell, 2013-14 - 2017
        5. Chairman, Committees for Selection, Screening, Tests for Institute Staff Recruitments at various levels 2013 - 2017
        6. Coordinator, Center of Advanced Study, Dept of Electronics Engg., IT-BHU, September 2011 -2017
        7. Chairman, JEE–2012, IIT-BHU, Varanasi
        8. Professor In Charge, Institute Main Library, IIT-BHU, 2011, 12
        9. Chief Coordinator, Institute Industry Partnership Cell, IT-BHU, 2011, 12
        10. Member Core Committee, Garuda Project (C-DAC Sponsored), IT-BHU, 2011
        11. Chairman, Electrical & Electronics Unit, University Central Purchase Committee 2011, BHU
        12. Member, University Central Purchase Committee, 2009, 2010, 2011, BHU
        13. Coordinating Superintendent, GATE-2011, GATE-2012 Examinations, IIT BHU
        14. Institute of Technology Coordinator, University Entrance Examination, 2010, 2011
        15. Coordinator, Gyanvani FM station, Varanasi (under IGNOU-BHU Partnership), 2005-07
        16. Coordinator, Central Media Production Center (CMPC) Banaras Hindu University, 2005-07
        17. Coordinator, Centre of Research in Microwave Tubes, Dept. of Electronics Engineering, IT, BHU, 2006-09
        18. Vice-Chairman, JEE – 2006 and 2007, IT-BHU, Varanasi
          Books
          1. Analytical Exploration of New Tapered-Geometry Dielectric-Supported Helix Slow-Wave Structures for Broadband TWT’s, S. Ghosh, P. K. Jain, and B. N. Basu, Electromagnetic Waves Monograph Series Progress In Electromagnetic Research (PIER) - 1997.
          2. Fast-Wave Analysis of an Inhomogeneously-Loaded Helix Enclosed in a Cylindrical Waveguide, S. Ghosh, P. K. Jain, and B. N. Basu, Electromagnetic Waves Monograph Series Progress In Electromagnetic Research (PIER) - 1998.
          3. Electromagnetic Wave Propagation through Helical Structures, P. K. Jain, and B. N. Basu, Electromagnetic fields in Unconventional Materials - 2000.
          4. Space-Harmonic Effects in Helical Slow-Wave Structures  An Equivalent Circuit Analysis, S. Ghosh, A. K. Sinha, R. K. Gupta, S. N. Joshi, P. K. Jain, and B. N. Basu, Electromagnetic Waves Monograph Series: Progress in Electromagnetic Research (PIER) - 2001.
          5. Analysis of a Coaxial Waveguide Corrugated with Wedge- Shaped Radial Vanes Considering Azimuthal Harmonic Effects, Kalpana Singh, P. K. Jain, and B. N. Basu, Electromagnetic Waves Monograph Series: Progress in Electromagnetic Research (PIER) - 2004.
          6. A Simple Analysis of Helical Slow-Wave Structure Loaded by Dielectric Embedded Metal Segments for Wideband Taveling-Wave Tubes, R. Seshadri, S. Ghosh, A. Bansiwal, S. Kamath and P. K. Jain, Electromagnetic Waves Monograph Series: Progress in Electromagnetic Research (PIER B) - 2010.
            Journals
            1. M. Mahto and P. K. Jain, PIC Simulation Study of the Formation Mechanism of Periodic Virtual Cathodes in the Reltron. IEEE Transactions on Plasma Science. 46 - 2018,.
            2. R. Agrahari, A. Lakhtakia, and P. K. Jain , Information Carried by a Surface-Plasmon-Polariton Wave Across a Gap. Journal of Applied Physics . 124 - 2018,53104, .
            3. Gargi Dixit, Arjun Kumar and P. K. Jain, Design Analysis and Simulation Study of an Efficiency Enhanced L-Band MILO. Physics of Plasmas (AIP). 24 - 2017,013113(1-11), .
            4. V Nallasamy, C Narasimhamurthy, B Geetha, Sanjay Kumar Gupta, Subrata Kumar Datta, SUM Reddy and P K Jain, Electromagnetic Simulation and Experimental Characterization of RF Interaction Structure of an S-band Magnetically Insulated Line Oscillator. Journal of Electromagnetic Waves and Applications(JEMWA). 31 - 2017,375-382, .
            5. Amit Arora, M. Thottappan, and P. K .Jain, PIC Simulation of a Millimeter Wave Gyrotron Traveling Wave Amplifier. International Journal of Microwave and Optical Technologogy (IJMOT). 12 - 2017,37-44, .
            6. V. Nallasamy, Subrata Kumar Datta, SUM Reddy and P. K. Jain, Advances and present trends in magnetically insulated line oscillator Magnetically Insulated Line Oscillator. Journal of Electromagnetic Waves and Applications(JEMWA). 31 - 2017,1864-1874, .
            7. M. Mahto and P. K. Jain, Study of Virtual Cathodes Formation during Beam-Wave Interaction in the Reltron Oscillator. Physics of Plasmas(AIP). 24 - 2017,93107, .
            8. M.Thottappan, Pradeep Singh, and P.K.Jain, Gyro-TWT using a Metal PBG Waveguide as its RF Circuit - Part I: Analysis and Design. IEEE Transactions on Electron Devices. 63 - 2016,2118-2124, .
            9. M.Thottappan, Pradeep Singh, and P.K.Jain, Gyro-TWT using a Metal PBG Waveguide as its RF Circuit - Part II: PIC Simulation and Parametric Analysis. IEEE Transactions on Electron Devices. 63 - 2016,2125-2131, .
            10. Gargi Dixit and P. K. Jain, Equivalent Circuit Analysis of the Disc-Loaded Coaxial Structure for MILO. IEEE Transactions on Plasma Science. 44 - 2016,157-164, .
            11. M. Mahto and P. K. Jain, Design and Simulation Study of the HPM Oscillator?Reltron. IEEE Transactions on Plasma Science. 44 - 2016,743?748, .
            12. M. Mahto and P. K. Jain, Oscillation Condition and Efficiency Analysis of the Reltron. IEEE Transactions on Plasma Science. 44 - 2016,1056-1062, .
            13. M. Mahto and P. K. Jain, Electromagnetic Analysis of the HPM Oscillator?Reltron. Physics of Plasmas(AIP). 23 - 2016,93118, .
            14. M. V. Swati, M. S. Chauhan, and P. K. Jain, Time-Dependent, multimode interaction analysis of the Gyroklystron amplifier. Physics of Plasmas(AIP). 23 - 2016,083124 (1-8), .
            15. M. V. Swati, M. S. Chauhan, and P. K. Jain, Design Methodology and Beam?Wave Interaction Study of a Second Harmonic D-Band Gyroklystron Amplifier. IEEE Transactions on Plasma Science. 44 - 2016,2844-2851, .
            16. V Nallasamy, S K Datta, SUM Reddy and P K Jain, Efficiency Enhancement of an S-band Magnetically Insulated Line Oscillator. International Journal of Microwave and Optical Technology (IJMOT). 11 - 2016,324-331, .
            17. Amit Arora, M.Thottappan, and P. K. Jain, Particle-In-Cell Simulation of a Uniformly Loaded W-Band Gyro-TWT to Study its Multi-Mode Beam-Wave Interaction Behavior. International Journal of Microwaves Applications (IJMA). 5 - 2016,41-47, .
            18. Amit Arora, M. Thottappan, and P. K. Jain, Design and Stability Studies of Second Harmonic Gyro-TWT Amplifier Using Wedge-Shaped Lossy Ceramic Rods Loaded Mode Selective RF Interaction Circuit. IEEE Transactions on Plasma Science. 44 - 2016,2340-2347, .
            19. M. S. Chauhan, M. V. Swati, and P. K. Jain, Design and Simulation of a Gyroklystron Amplifier. Physics of Plasmas, (AIP). 22 - 2015,033111-1-10, .
            20. M. S. Chauhan, M. V. Swati, and P. K. Jain, Nonlinear Analysis of a Gyroklystron Amplifier with Misaligned Electron Beam. Journalof Fusion Energy (Springer). 35 - 2015,289-298, .
            21. M. Thottappan and P. K. Jain, Nonlinear Investigation and 3-D Particle Simulation of Second Harmonic Gyro-TWT with a Mode Selective Circuit. IEEE Transactions on Electron Devices. 62 - 2015,1641-1647, .
            22. M.Thottappan, S. Yuvaraj, and P.K.Jain, 3-D PIC Simulation of a Gyro-Twystron Amplifier using MAGIC. IEEE Transactions on Plasma Science. 43 - 2015,398-404, .
            23. M. S. Chauhan, M. V. Swati and P. K. Jain, Electron beam phase bunching mechanism in the gyrotron amplifier. Int. Jour Microwave Appl.. 4 - 2015,17-20, .
            24. Ashutosh Singh and P. K. Jain, Effects of Electron Beam Parameters and Velocity Spread on RF Output of a PBG Cavity Gyrotron Oscillator. Physics of Plasmas(AIP). 22 - 2015,093102, 1-5, .
            25. Sunny Paswan,M. S. Chauhan, M. V. Swati, and P. K. Jain, Analytical Studies of a Five-Cavity, 140 GHz Gyroklystron Amplifier. INROADS - Int. J JNU. 3 - 2014,153-156, .
            26. M. V. Swati, Rajeev Sharma, M. S. Chauhan, and P. K. Jain, Multimode Simulation and Analysis of Two Cavity Gyroklystron. INROADS - Int. J JNU. 3 - 2014,254-257, .
            27. Gargi Dixit and P. K. Jain, Simulation Study of Improved Compact MILO Structure. INROADS - Int. J JNU. . 3 - 2014,381-384, .
            28. Ashutosh Singh and P. K. Jain, Beam-Wave Interaction Behavior of a 35 GHz Metal PBG Cavity Gyrotron. Physics of Plasmas(AIP). 21 - 2014,093101-7, .
            29. Ashutosh Singh and P. K. Jain, Multimode Analysis and PIC Simulation of a Metal PBG Cavity Gyrotron Oscillator. Progress in Electromagnetic Research (PIER) M. 39 - 2014,11 to 18, .
            30. Smrity Dwivedi, and P. K. Jain, Performance Improvement Study of Tapered Magnetically Insulated Line Oscillator through Impedance Matching. IEEE Transactions on Plasma Science. 42 - 2014,2186-2592, .
            31. S. K Sharma,Sudha Gupta, Udaybir Singh, Naveen Sahu, Narendra Shekhawat, Deepak Srivastava, HasinaKhatun, M K Alaria, P. K. Jain, and A K Sinha, Design and Development of Test Collector Used in a Gun-Collector module for MIG testing of 42 GHz, 200 kW Gyrotron. Int. J Engg. Sc. & Inno. Tech.. 3 - 2014,355-362, .
            32. [83] S. K. Sharma, Narendra Kumar Singh, Udaybir Singh, Hasina Khatun, Nitin Kumar, M. K. Alaria, R. S. Raju, P. K. Jain and A. K. Sinha, Evaluation of Cathode Heater Assembly for 42 GHz, 200 kW Gyrotron. Frequenz (AOP). - 2014,.
            33. Smrity Dwivedi, and P. K. Jain, Design Expressions for the Magnetically Insulated Line Oscillator. IEEE Transactions on Plasma Science. 41 - 2013,1549-1556, .
            34. S. Maurya, V.V.P. Singh and P.K. Jain, Performance Improvement Study of Relativistic Magnetron Primings. Int. Jour Microwave Appl.. 2 - 2013,32-35, .
            35. M. S. Chauhan, M. V. Swati, and P. K. Jain, Estimation of the Electronic Efficiency of a Gyroklystron Amplifier. Int. Jour Microwave Appl.. 2 - 2013,23-27, .
            36. M. Thottappan and P. K. Jain, Analysis, Design and Simulation of Metal PBG Waveguide. Int. Jour Microwave & Optical Technology (US). 8 - 2013,61-68, .
            37. S. Maurya, V.V.P. Singh and P.K. Jain, Relativistic Magnetron Priming by Loading the Resonators through Dielectric Rods. IEEE Transactions on Plasma Science. 41 - 2013,3619-3623, .
            38. Smrity Dwivedi, and P. K. Jain, Performance Improvement Study of S-band Magnetically Insulated Line Oscillator using ?MAGIC?. Int. Jour Microwave & optical Technology (US). 8 - 2013,129-137, .
            39. Smrity Dwivedi, and P. K. Jain, Magnetically Insulated Line Oscillator (MILO) Performance Study and Its Parameter Optimization. IEEE Transactions on Plasma Science. 41 - 2013,2532-2538, .
            40. S. Maurya, V.V.P. Singh and P.K. Jain, Relativistic magnetron performance improvement through simultaneous electric and magnetic fields priming. J. Fusion Energy (Springer, US). 32 - 2013,575-579, .
            41. S. Maurya, V.V.P. Singh and P.K. Jain, Relativistic magnetron priming by loading the resonators through dielectric and metal rods. IEEE Transactions on Plasma Science. 41 - 2013,2987-2991, .
            42. M. Thottappan, Surya Prakash Singh and P. K. Jain, Analysis and PIC simulation of a Gyrotron travelling wave tube amplifier. Jour. Microwave, optoelec. and Electromag. Appl.. 12 - 2013,70-87, .
            43. Mukesh Kumar Alaria, Sanjay Kumar Ghosh, Y. Choyal, Ashok Kumar Sinha and P. K. Jain, Design and Simulation of Lossy Interaction Structure for Ka-Band Gyro-TWT. IEEE Transactions on Plasma Science. 41 - 2013,2264-2268, .
            44. U. Singh, N. Kumar, H. Khatun, N. Kumar, V. Yadav, A. Kumar, M. Sharma, M. Alaria, A. Bera, P.K. Jain, A.K. Sinha, Design of 42GHz gyrotron for Indian fusion tokamak system. Fusion Engineering and Design. 88 - 2013,2898?2906, .
            45. M. S. Chauhan, M. V. Swati and P. K. Jain, PIC Simulation Study of a 35 GHz, 200 kW Gyroklystron. Journal of Microwaves, Optoelectronics and Electromagnetic Applications. 12 - 2013,116-125, .
            46. S. Maurya, V.V.P. Singh and P.K. Jain, Study of output performance of partially dielectric loaded A6 relativistic magnetron. IEEE Transactions on Plasma Science. 40 - 2012,1070-1074, .
            47. S. Maurya, V.V.P. Singh and P.K. Jain, Characterization of resonant structure of relativistic magnetron. IET Microwaves, Antennas&Propagation. 6 - 2012,841?845, .
            48. S. Maurya, V.V.P. Singh and P.K. Jain, Three-dimensional particle-in-cell simulation of fast oscillation startup and efficiency improvement in a relativistic magnetron with electric priming. IEEE Transactions on Plasma Science. 40 - 2012,2686-2692, .
            49. Ashutosh and P. K. Jain, Analysis and Design of Metallic Photonic Band Gap Cavity for a Gyrotron. Journal ofMicrowave, Optoelectronics and Electromagnetic Applications. 11 - 2012,242-251, .
            50. Ashutosh, B. Ravi Chandra, and P. K. Jain, Multimode behavior of a 42GHz, 200kW Gyrotron. Progress in Electromagnetics Research B. 42 - 2012,75-91, .
            51. Smrity Dwivedi, and P. K. Jain, Beam-Wave Interaction Analysis of a Magnetically Insulated Line Oscillator. Physics of Plasmas(AIP). 19 - 2012,082110-1-9, .
            52. M. Thottappan and P. K. Jain, PIC Simulation of a Gyro-TWT Amplifier to Study its Beam-Wave Interaction Behavior. Int. Jour Microwave Appl.. 1 - 2012,13-19, .
            53. D. S. Nagarkoti, Rajeev Sharma, R. L. Dua and P. K. Jain, Analysis of Nonlinear Cylindrical Waveguide Taper using Modal Matching Technique. Int. Jour Microwave Appl.. 1 - 2012,5 to 12, .
            54. Smrity Dwivedi and P. K. Jain, Electromagnetic Analysis of a Disc-Loaded Coaxial Waveguiding Structure for MILO. IEEE Transactions on Plasma Science. 40 - 2012,1032-1041, .
            55. Ashutosh and P. K. Jain, FDTD Analysis of the Dispersion Characteristics of the Metal PBG Structures. Progress in Electromagnetic Research B (PIER). 39 - 2012,71-88, .
            56. Smrity Dwivedi and P. K. Jain, Eigenvalues and ohmic losses in a disc-loaded coaxial cylindrical waveguiding structure for MILO. Int. Jour Microwave & optical Technology (US). 7 - 2012,411-418, .
            57. Vivek Yadav, Sudeep Sharan, Hasina Khatun, Nitin Kumar, MK Alaria, B. Jha, SC Deorani, AK Sinha and P.K. Jain, Cold characterization of cylindrical open resonator for gyrotron. Infrared Physics & Technology(Elsevier). 54 - 2011,337-342, .
            58. R. K. Singh and P. K. Jain, Egienmode analysis and simulation of disc loaded interaction structure for wideband gyro-TWT amplifier. Int. Jour of Elect. Comp. & Syst. Engg.. - 2008,198-203, .
            59. R. K. Singh and P. K. Jain, Ohmic quality factor and efficiency estimation for a gyrotron cavity. Int. Jour of Elect. Comp. & Syst. Engg. - 2008,204-207, .
            60. M. V. Kartikeyan, Arun Kumar, S. Kamakshi, P.K. Jain, S. Illy, E. Borie, B. Piosczyk, M.K. Thumm, ?RF?Behavior of a 200 kW, CW Gyrotron. IEEE Transactions on Plasma Science. 36 - 2008,631-636, .
            61. Vishal Kesari, P. K. Jain and B. N. Basu, Parameters to define the electron beam trajectory of a double-tapered disc-loaded wideband gyro-TWT in profiled magnetic fields. International Journal of Infrared and Millimeter Waves. 28 - 2007,443-449, .
            62. Vishal Kesari, P. K. Jain and B. N. Basu, Modal analysis of a corrugated circular waveguide for wideband millimeter-wave amplifiers. International Journal ofMicrowave and Optical Technology (USA). 2 - 2007,147-152, .
            63. Vishal Kesari, P. K. Jain and B. N. Basu, Exploration of a double-tapered disc-loaded circular waveguide for a wideband gyro-traveling-wave tube. IEEE Electron Devices Letters. 27 - 2006,194-197, .
            64. Vishal Kesari, P. K. Jain and B. N. Basu, Analysis of a tapered disc-loaded waveguide for a wideband Gyro-TWT. IEEE Transactions on Plasma Science. 34 - 2006,541-546, .
            65. Vishal Kesari, P. K. Jain and B. N. Basu, Analysis of a disc-loaded circular waveguide for interaction impedance of a gyrotron millimeter-wave amplifier. International Journal of Infrared and Millimeter Waves. 26 - 2005,1093-1109, .
            66. Vishal Kesari, P. K. Jain and B. N. Basu, Analysis of a circular waveguide loaded with thick annular metal discs for wideband gyro-TWTs. IEEE Transactions on Plasma Science. 33 - 2005,1358-1365, .
            67. Kalpana Singh, P. K. Jain, and B. N. Basu, Analysis of a corrugated coaxial waveguide resonator for mode rarefication in a gyrotron. IEEE Transactions on Plasma Science. 33 - 2005,1024-1030, .
            68. Vishal Kesari, P. K. Jain and B. N. Basu, Modeling of axially periodic circular waveguide with combined dielectric and metal loading. Journal of Physics D: Applied Physics, IOP (USA). 38 - 2005,3523-3529, .
            69. Vishal Kesari, P. K. Jain, and B. N. Basu, Approaches to the Analysis of a Disc Loaded Cylindrical Waveguide for Potential Application in Wide-Band Gyro-TWT. IEEE Transactions on Plasma Science. 32 - 2004,2144-2151, .
            70. G. Singh, P. V. Bhaskar, S. M. S. Ravichandra, P. K. Jain, and B. N. Basu, Analysis of a vane-loaded gyro-TWT for the gain-frequency response. IEEE Transactions on Plasma Science. 32 - 2004,.
            71. Mukul Agrawal, G.Singh, P. K. Jain, and B. N. Basu, Analysis of Tapered Vane-Loaded Structures for Broadband Gyro-TWTs. IEEE Transactions on Plasma Science. 29 - 2001,439-444, .
            72. S. Ghosh, A. K. Sinha, R. K. Gupta, S. N. Joshi, P. K. Jain, and B. N. Basu, A heuristic analysis for an inhomogeneously loaded tape helix used in a practical travelling-wave tube. International Journal of Electronics. 88 - 2001,197-213, .
            73. S. K. Datta, P. K. Jain, and B. N. Basu, Control of IM3 Distortion in Helix TWTs by Harmonic Injection ? An Eulerian Hydrodynamical Study. IEEE Transactions on Electron Devices. 48 - 2001,62-67, .
            74. G. Singh, P. V. Bhaskar, S. M. S. Ravi Chandra, P. K. Jain, and B. N. Basu, Control of the Gain-Frequency Response of a Vane-Loaded Gyro-TWT by Beam and Magnetic Field Parameters. Microwave and Optical Technology Letters. 24 - 2000,140-145, .
            75. Y. Muralidhar, P. K. Jain, and B. N. Basu, Analysis of a Large-Orbit Gyrotron in a Coaxial Waveguide under Assistant Background Fields. IEEE Transactions on Electron Devices. 47 - 2000,634-642, .
            76. Mukul Agrawal, T. R. Sridhar, P. K. Jain, and B. N. Basu, Waveguide Cross Section and Background Magnetic Field Tapers for Broadbanding a Gyro-TWT. International Journal of Infrared and Millimeter Waves. 21 - 2000,1255-1267, .
            77. S. Ghosh, A. K. Sinha, R. K. Gupta, S. N. Joshi, P. K. Jain, and B. N. Basu, Space-Harmonic Effects in Helical Slow-Wave Structures ? An Equivalent Circuit Analysis. Journal of Electromagnetic Waves and Applications. 14 - 2000,1083-1085, .
            78. Mukul Agrawal, G.Singh, P. K. Jain, and B. N. Basu, Two-Stage Vane Loading of Gyro-TWTs for High Gains and Bandwidths. Microwave and Optical Technology Letters. 27 - 2000,210-213, .
            79. S. K. Datta, P. K. Jain, and B. N. Basu, Harmonic injection effects in backed-off helix travelling-wave tubes -- A study by Eulerian analysis. International Journal of Electronics. 87 - 2000,89-97, .
            80. S. K. Datta, P. K. Jain, M. D. Raj Narayan, and B. N. Basu, Nonlinear Eulerian Hydrodynamical Analysis of Helix Traveling-Wave Tubes for Harmonic Generation and its Control. IEEE Transactions on Electron Devices. 46 - 1999,420-426, .
            81. G. Singh, S.M.S. Ravi Chandra, P.V. Bhaskar, P.K. Jain, and B.N. Basu, Analysis of an Azimuthally Periodic Vane-Loaded Cylindrical Waveguide for a Gyro-Travelling Wave Tube. International Journal of Electronics. 86 - 1999,1463-1479, .
            82. S. K. Datta, P. K. Jain, and B. N. Basu, A Eulerian Hydrodynamic Analysis of IM3 Distortion in a Helix Traveling-Wave Tubes for Third-Order Intermodulation Distortion. Microwave and Optical Technology Letters. 22 - 1999,405-408, .
            83. S. K. Datta, S. U. M. Reddy, P. K. Jain, and B. N. Basu, Nonlinear Analysis of Harmonic Generation in Traveling-Wave Tubes. International Journal of Infrared and Millimeter Waves. 20 - 1999,483-490, .
            84. S. Ghosh, P. K. Jain, and B. N. Basu, Fast-Wave Analysis of an Inhomogeneously-Loaded Helix Enclosed in a Cylindrical Waveguide. Journal of Electromagnetic Waves and Applications. 12 - 1998,191-198, .
            85. S. K. Datta, P. K. Jain, M.D. Rajnarayan, and B. N. Basu, Eulerian Analysis for Harmonic Generation and its Control in a Helix Travelling-Wave Tube. International Journal of Electronics. 85 - 1998,377-395, .
            86. S. K. Datta, P. K. Jain, M.D. Rajnarayan, and B. N. Basu, Nonlinear Eulerian Hydrodynamical Analysis of Helix Traveling-Wave Tubes. IEEE Transactions on Electron Devices. 45 - 1998,2055-2062, .
            87. S. Ghosh, P. K. Jain, and B. N. Basu, Analysis of an Anisotropically-Loaded Helix in the Fast-Wave Regime for Gyro-Traveling-Wave Amplifiers. Microwave and Optical Technology Letters. 14 - 1997,52-56, .
            88. S. J. Rao, P. K. Jain, and B. N. Basu, Hybrid-Mode Helix-Loading Effects on Gyro-Travelling-Wave Tubes. International Journal of Electronics. 82 - 1997,663-675, .
            89. S. Ghosh, P. K. Jain, and B. N. Basu, Rigorous Tape Analysis of Inhomogeneously-Loaded Helical Slow-Wave Structures. IEEE Transactions on Electron Devices. 44 - 1997,1158-1168, .
            90. S. J. Rao, S. Ghosh, P. K. Jain, and B. N. Basu , Non-Resonant Perturbation Measurements on Dispersion and Interaction Impedance Characteristics of Helical Slow-Wave Structures. IEEE Transactions on Microwave Theory and Techniques. 45 - 1997,1585-1594, .
            91. P. K. Dalela, P. K. Jain, and B. N. Basu, Non-Resonant Perturbation Measurement on Dispersion Characteristics of a Fast-Wave Cylindrical Waveguide. Microwave and Optical Technology Letters. 15 - 1997,216-219, .
            92. S. K. Datta, P. K. Jain, and B. N. Basu, Third-Order Saturation Effects in a Helix Traveling-Wave Tube under Eulerian Approximations. Microwave and Optical Technology Letters. 16 - 1997,345-349, .
            93. S. Ghosh, P. K. Jain, and B. N. Basu, Analytical Exploration of New Tapered-Geometry Dielectric-supported Helix Slow-Wave Structures for Broadband TWT?s. Journal of Electromagnetic Waves and Applications. 10 - 1996,1217-1222, .
            94. S. J. Rao, P. K. Jain, and B. N. Basu, Two-Stage Dielectric-Loading for Broadbanding a Gyro-TWT. IEEE Electron Devices Letters. 17 - 1996,303-305, .
            95. S. Ghosh,P. K. Jain, and B. N. Basu, A Modified Field Analysis of Inhomogeneously-Loaded Helical Slow-Wave Structures for TWT?s. International Journal of Electronics. 81 - 1996,101-112, .
            96. S. J. Rao, P. K. Jain, and B. N. Basu, Effects of Circuit Loss and Space Charge in Gyro-Travelling-Wave Tubes. International Journal of Infrared and Millimeter Waves. 17 - 1996,1507-1517, .
            97. S. J. Rao, P. K. Jain, and B. N. Basu, Broadbanding of a Gyro-TWT by Dispersion Shaping through Dielectric Loading. IEEE Transactions on Electron Devices. 43 - 1996,2290-2299, .
            98. P.C.V. Rao,P. K. Jain, and B. N. Basu, Evaluation of Pierce's Small-Signal Parameters of Helix Traveling-Wave Tubes for Gain Calculation. Journal of Physics D: Applied Physics. 25 - 1992,542-547, .
            99. A.K. Sinha, R. Verma, R.K. Gupta, L. Kumar, S.N. Joshi, P. K. Jain, and B.N. Basu,, Simplified Tape Model of Arbitrarily-Loaded Helical Slow-Wave Structures of a Travelling-Wave Tube. IEE Proceedings H - Microwaves, Antennas and Propagation. 139 - 1992,347-350, .
            100. P. K. Jain and B. N. Basu, The Inhomogeneous Dielectric Loading Effects of Practical Helix Supports on the Interaction Impedance of the Slow-Wave Structure of a TWT. IEEE Transactions on Electron Devices. 39 - 1992,727-733, .
            101. P. K. Jain and B. N. Basu, The Effect of Conductivity Losses on Propagation through the Helical Slow-Wave Structure of a Traveling-Wave Tube. IEEE Transactions on Electron Devices. 35 - 1988,549-558, .
            102. P. K. Jain and B. N. Basu, A Theory of Attenuator Coated Helical Slow- Wave Structure of a Traveling-Wave Tube. IEEE Transactions on Electron Devices. 35 - 1988,1750-1757, .
            103. P. K. Jain, K.V.R. Murty, S. N. Joshi, and B. N. Basu, Effects of the Finite Thickness of the Helix Wire on the Characteristics of the Helical Slow-Wave Structure of a Travelling-Wave Tube. IEEE Transactions on Electron Devices. ED(34), May - 1987,1209 - 1213, 10.1109/T-ED.1987.23068.
            104. P. K. Jain and B. N. Basu, The Inhomogeneous Loading Effects of Practical Dielectric Supports for the Helix Slow-Wave Structure of a TWT. IEEE Transactions on Electron Devices. 34 - 1987,2643-2648, .
              International Conferences
              1. M.Thottappan, and P. K. Jain, Cold Measurement of a Ka-Band Metal PBG Waveguide, IEEE MTT-S International Microwave and RF Conference (IMaRC-2014).  Bangalore, India,December - 2104, .
              2. R. Agrahari, A. Lakhtakia, and P. K. Jain, Scattering of Surface-Plasmon-Polariton Wave by an Abrupt Discontinuity, IEEE International Symposium on Antenna and Propagation and USNC-URSI Radio Science Meeting.  Bostan, Massachusetts, USA,July - 2018, .
              3. Manpuran Mahto and P. K. Jain, Electron Beam and RF Wave Interaction Mechanism in the Reltron Oscillator, 11th International Conference on Industrial and Information systems (ICIIS 2016).  IIT Roorkee,December - 2016, .
              4. A. P. Singh and P. K. Jain, A Comparative Study of SVD and ICA for Target Detection in Through the Wall Radar Images, 11th international Conference on Industrial and Information Systems (ICIIS 2016).  IIT Roorkee,December - 2016, .
              5. M.Thottappan, and P. K. Jain, Particle-In-Cell Simulation of gyro-TWT using a Metal PBG Circuit, German Microwave Conference (GeMiC)-2015.  Germany,March - 2015, .
              6. Sunny Paswan, M. S. Chauhan, M. V. Swati, and P. K. Jain, Analytical Studies of a Five-Cavity, 140 GHz Gyroklystron Amplifier, Int. Conf. on Innovative Advancements in Engineering and Technology (IAET-2014).  Jaipur, India,March - 2014, .
              7. M. V. Swati, Rajeev Sharma, M. S. Chauhan, and P. K. Jain, Multimode Simulation and Analysis of Two Cavity Gyroklystron, Int. Conf. on Innovative Advancements in Engineering and Technology (IAET-2014).  Jaipur, India,March - 2014, .
              8. Gargi Dixit and P. K. Jain, Simulation Study of Improved Compact MILO Structure, Int. Conf. on Innovative Advancements in Engineering and Technology (IAET-2014).  Jaipur, India,March - 2014, .
              9. Sivavenkateswara Rao V., and P. K. Jain, Design and Development of 95 GHz Gyrotron: A Review, Int. Conf. on Innovative Advancements in Engineering and Technology (IAET-2014).  Jaipur, India,March - 2014, .
              10. Manpuran Mahto and P. K. Jain, Reltron, A GigaWatt HPM Source - A Review, Int. Conf. on Innovative Advancements in Engineering and Technology (IAET-2014).  Jaipur, India,March - 2014, .
              11. M. Thottappan,and P. K. Jain, Design and Simulation of Metal PBG Waveguide Mode Launcher, IEEE Region 10 Technical Symposium (TENSYM 2014).  Kuala Lumpur, Malaysia - 2014, .
              12. M. V. Swati, M. S. Chauhan, and P. K. Jain, Multimode Analysis of a W-Band Gyroklystron Amplifier, IEEE MTT-S International Microwave and RF Conference (IMaRC-2014).  Bangalore, India,December - 2014, .
              13. Gargi Dixit, Rajeev Sharma and P. K. Jain, EM Analysis and Simulation of a Coaxial Metal Disc Loaded Waveguiding Structure, 10th International Conference on Microwaves, Antenna, Propagation and Remote Sensing,ICMARS-2014.  Jodhpur, India,December - 2014, .
              14. Manpuran Mahto, Chinta Santhosh, Gargi Dixit and P. K. Jain, Analytical Study of Reltron Modulating Cavity, 10th International Conference on Microwaves, Antenna, Propagation and Remote Sensing,ICMARS-2014.  Jodhpur, India,December - 2014, .
              15. M. S. Chauhan, M. V. Swati and P. K. Jain, Performance Evaluation of a Four-Cavity Gyroklystron Amplifier, International Conference on Microwaves, Antenna, Propagation & Remote Sensing (ICMARS-2013).  Jodhpur, India,December - 2013, .
              16. M. V. Swati, M. S. Chauhan and P. K. Jain, Multimode Analysis of a 35 GHz Gyroklystron Amplifier, International Conference on Microwaves, Antenna, Propagation & Remote Sensing (ICMARS-2013).  Jodhpur, India,December - 2013, .
              17. Gargi Dixit and P. K. Jain, Optimization of Magnetically Insulated Line Oscillator (MILO) Structure parameters for its Efficiency Enhancement, International Conference on Microwaves, Antenna, Propagation & Remote Sensing (ICMARS-2013).  Jodhpur, India,December - 2013, .
              18. Yuvaraj S, M. Thottappan, and P. K. Jain, Analytical Study of High Power Gyro-Twystron, International Conference on Microwaves, Antenna, Propagation & Remote Sensing (ICMARS-2013).  Jodhpur, India,December - 2013, .
              19. Rajiv Sharma, Sudhir Sharma, P. K. Jain, RF performance evaluation of a nonlinear cylindrical taper for high power application, International Conference on Microwaves, Antenna, Propagation & Remote Sensing (ICMARS-2013).  Jodhpur, India,December - 2013, .
              20. Pushpalata Laxman Pakhale, M. Thottappan, P. K. Jain, PIC Simulation of Second Harmonic Ka-band Gyro?TWT, International Conference on Microwaves, Antenna, Propagation & Remote Sensing (ICMARS-2013).  Jodhpur, India,December - 2013, .
              21. Yuvaraj S., M. Thottappan, and P. K. Jain, Design and Simulation of 94GHz Metal PBG Waveguide, IEEE MTT-S Int. Microwave and RF Conference2013.  Delhi,December - 2013, .
              22. Surya Prakash Singh, Gaurav Singh Baghel, M. Thottappan, and P. K. Jain, Modeling and Simulation of a 250 GHz Metal PBG Waveguide for Gyrotron Amplifier, IEEE International Conference on Computing, Electronics and Electrical Technologies (ICCEET).  828-831, ,March - 2012, .
              23. Lalit Gathre, M. Thottappan, and P. K. Jain, Analysis of PBG Structures using FDTD Algorithm, IEEE International Conference on Computing, Electronics and Electrical Technologies (ICCEET).   825-827, ,March - 2012, .
              24. Ashutosh and P. K. Jain, Eigenmode analysis of metal photonic band gap cavity for Gyrotron operating in higher order mode, Progress in Electromagnetics Research Symposium.  Kuala Lumpur, MALAYSIA,March - 2012, .
              25. R. K. Singh*, Ashutosh, and P. K. Jain,, Investigation of a Disc-Loaded Gyro-TWT using Particle-In-Cell Simulation, Progress in Electromagnetics Research Symposium.  Kuala Lumpur, MALAYSIA,March - 2012, .
              26. Rajeev Sharma, Smrity Dwivedi, R. P. Gupta and P. K. Jain, Swarm Optimization of Raised Cosine Non-Linear cylindrical Waveguide Taper for High-Power Applications, Progress in Electromagnetics Research Symposium.  Kuala Lumpur, MALAYSIA,March - 2012, .
              27. Madan Singh Chauhan, and P. K. Jain, Study of Stagger-tuning in the Gyroklystrons, Progress in Electromagnetics Research Symposium.  Kuala Lumpur, MALAYSIA,March - 2012, .
              28. Pradeep Singh, M. Thottappan and P. K. Jain, Design and Simulation of Metal Photonic Band Gap waveguide for Ka-Band Gyro-TWT Amplifier, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2012.  Jodhpur,December - 2012, .
              29. Sukwinder Singh, M. Thottappan and P. K. Jain, Numerical Simulations of Gyro-TWT using Metal PBG Waveguide, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2012.  Jodhpur,December - 2012, .
              30. Mohd. Wasim and P. K. Jain, PIC Simulation of a Reltron Oscillator, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2012.  Jodhpur,December - 2012, .
              31. M. Thottappan and P. K. Jain, Particle Simulation of 35GHz Gyro-TWT Amplifier, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2012.  Jodhpur,December - 2012, .
              32. M. S. Chauhan and P. K. Jain, Analytical and Simulation Studies of a 35GHz Gyroklystron, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2012.  Jodhpur,December - 2012, .
              33. M. V. Swati, M. S. Chauhan and P. K. Jain, Analytical Study of a Four-Cavity Gyro-Klystron Amplifier, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2012.  Jodhpur,December - 2012, .
              34. Gargi Dixit and P. K. Jain, Parametric Analysis and Design Methodology of MILO, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2012.  Jodhpur,December - 2012, .
              35. Rajeev Sharma, R. L. Dua and P. K. Jain, Analysis, Design and Development of a Nonlinear Taper for 200kW 42GHz Gyrotron,, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2012.  Jodhpur,December - 2012, .
              36. M. S. Chauhan and P. K. Jain, Study of Electron Bunching in Gyroklystrons, XII IEEE Int. Vacuum Electronic Conf.  ,February - 2011, .
              37. Ashutosh, Rupendra Singh and P. K. Jain, Beam-Wave Interaction Analysis of a 42GHz, 200kW CW Gyrotron, XII IEEE Int. Vacuum Electronic Conf.  ,February - 2011, .
              38. Smrity Dwivedi and P. K. Jain, Energy Calculation for Magnetically Insulated Line Oscillator, XII IEEE Int. Vacuum Electronic Conf.  ,February - 2011, .
              39. M.Thottappan and P K Jain, Analysis of Two Dimensional Metal Electromagnetic Band Gap (EBG) structure Using Finite Difference Time Domain method, XII IEEE Int. Vacuum Electronic Conf. .  ,February - 2011, .
              40. S. Maurya, V. V. P. Singh and P. K Jain, Performance Improvement Study of a Relativistic Magnetron using MAGIC-3D, XII IEEE Int. Vacuum Electronic Conf. .  ,February - 2011, .
              41. Nitin Kumar, Sudeep Saran, Udaibir Singh, Vivek Yadav, A. K. Sinha, B. Jha, P K Jain, and T P Singh, Cold Cavity Analysis for 35GHz Gyrotron Interaction Cavity using Free Space Method, XII IEEE Int. Vacuum Electronic Conf. .  ,February - 2011, .
              42. V. Bhanu Naidu, P. Raja Raman Rao, Narasimha Murthy, S U M Reddy, Lalit Kumar and P K Jain, Measurement of Dispersion and Azimuthal Interaction Impedance of Vane-Loaded Coaxial Waveguiding Structures, XII IEEE Int. Vacuum Electronic Conf. .  ,February - 2011, .
              43. SK Datta, KS Bhat, V Srivastava, Y. Choyal, P K Jain, B. N. Basu, Initiatives in new generation high power microwave sources in India, Applied Electromagnetics Conference (AEMC).   - 2011, .
              44. Rajeev Sharma, R. P. Gupta and P. K. Jain, Analysis and Simulation of Raised-Cosine Non-Linear Taper, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2011.  Jodhpur,December - 2011, .
              45. M. V. Swati, M. S. Chauhan and P. K. Jain, Beam-Wave Interaction Study of the Gyroklystron, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2011.  Jodhpur,December - 2011, .
              46. Ashutosh, Priti Gautam, and P. K. Jain, Dispersion Calculation of Two-Dimensional Metal Photonic Band Gap Structure using FDTD, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2011.  Jodhpur,December - 2011, .
              47. Alok Mishra, A.K.Sinha and P. K. Jain, Corona Breakdown Analysis of MIG for 42GHz, 200kW Gyrotron, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2011.  Jodhpur,December - 2011, .
              48. Ravi Chandra B, Ashutosh, and P. K. Jain, Time-Dependent Multimode Analysis of Gyrotrons, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2011.  Jodhpur,December - 2011, .
              49. Alok Mishra, A.K.Sinha and P. K. Jain, Study of X-Radiation from High Power Microwave Tube, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2011.  Jodhpur,December - 2011, .
              50. Deepender Kant, P. K. Jain and L. M. Joshi, Design, Fabrication and Characterization of a Klystron Re-entrant Cavity, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2011.  Jodhpur,December - 2011, .
              51. S. K. Sharma, N. K. Singh, M. K. Sharma, A. K. Sinha and P. K. Jain, Development of Magnetron Injection Gun (MIG) for high frequency high power gyrotron, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS 2011.  Jodhpur,December - 2011, .
              52. S Umamaheswara Reddy, Ramana Rao, S. K. Datta, P. K. Jain and Lalit Kumar, Analysis of Dispersion and Interaction Impedance for Vane-Loaded Coaxial Waveguide Structure, IEEE Int. Vacuum Electronics Conference.  USA - 2010, .
              53. S Umamaheswara Reddy, Bhanu Naidu S. K. Datta, P. K. Jain and Lalit Kumar, PIC Simulation of a Gyrotron-Traveling-Wave Tube Amplifier, IEEE Int. Vacuum Electronics Conference.  USA - 2010, .
              54. R. Seshadri, S. K. Datta, V. Bhanu Naidu, Raja Ramana Rao, Sudhir Kamath and P. K. Jain, Exploration of broadband Semi-Vane Helical SWS, IEEE Int. Vacuum Electronics Conference.  USA - 2010, .
              55. M Thottappan, and P. K. Jain, Study of the Metal Photonic Band Gap Structures for Gyro-TWTs, EuMW2009, Conference of European Microwave Week.  Rome Italy,October - 2009, .
              56. S. Das,Narugopal Nayek, Subhadra K, Manoj Kandpal, A. Naik, S. Chatterjee, A. Majumdar, M.V. Kartikeyan, A. K. Sinha, P. K. Jain, K. Satyanarayana, S. N. Joshi, Development of Window for First Indian Gyrotron, Proc. of International Vacuum Electronics Conference (IVEC-09).  499-500, Rome,April - 2009, .
              57. Ashutosh and P. K. Jain, Study of Metallic Photonic Band Gap Cavity for High Power Microwave Devices, IEEE Applied Electromagnetics Conference, AEMC-2009.  Kolkata,December - 2009, .
              58. Ashutosh and P. K. Jain, Study of the Single Mode Property of a Metallic Photonic Band Gap Cavity, 12th Int. Symp. on Microwave and Optical Technology, ISMOT-2009.  New Delhi, India,December - 2009, .
              59. Smrity Dwivedi and P. K. Jain, Field Analysis of a Coaxial Disc Lloaded Structure Excited in the TM Mode, 12th Int. Symp. on Microwave and Optical Technology, ISMOT-2009.  New Delhi, India,December - 2009, .
              60. Ashutosh and P. K. Jain, Analysis and Design of Metal Photonic Band Gap Resonant Cavity for High Power Microwave Applications, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, InCMARS-2009.  Jodhpur,December - 2009, .
              61. S Umamaheswara Reddy, R. Ramana Rao, S. K. Datta, P. K. Jain, and Lalit Kumar, Analysis of Vane-Loaded Coaxial Waveguiding Structure for Dispersion and Interaction Impedance, Int. Conf. on Microwaves, Antenna, Propagation & Remote Sensing, InCMARS-2009.  Jodhpur,December - 2009, .
              62. R. Seshadri, S. Sumathy, S. Kamath and P. K. Jain, Reinvestigation of Cold Circuit Parameters of a Helix Slow-Wave Structure, International Conference on Microwaves, Antenna, Propagation & Remote Sensing, InCMARS-2009.  Jodhpur,December - 2009, .
              63. Ashutosh and P. K. Jain, Dispersion Analysis of Two Dimensional Metallic Photonic Band Gap Structures, Int. Conf. on Emerging Trends in Electronics and Photonic Devices and Systems, ELECTRO-2009.  419-423, BHU, Varanasi,December - 2009, .
              64. Smrity Dwivedi and P. K. Jain, PIC Simulation of S-Band Magnetic Insulated Line Oscillator, Int. Conf. on Emerging Trends in Electronics and Photonic Devices and Systems, ELECTRO-2009.  424-427, BHU, Varanasi,December - 2009, .
              65. R. Seshadri, P. RajaRamana Rao, K. V. Rao, S. K. Datta, S. K. Kamath, and P. K. Jain, Effects of Inhomogeneous Dispersion Shaping of a Helical SWS on the Backward-Wave Oscillation Criterion, Int. Conf. on Emerging Trends in Electronics and Photonic Devices and Systems, ELECTRO-2009.  428-432, BHU, Varanasi,December - 2009, .
              66. S.U.M. Reddy, P. Raja Ramana Rao, Bhanu Naidu, P. K. Jain and Lalit Kumar, Characterisation of Vane-Loaded Cylindrical Waveguiding Structure using NRP Technique by Simulated Experiment, Int. Conf. on Emerging Trends in Electronics and Photonic Devices and Systems, ELECTRO-2009.  433-435, BHU, Varanasi,December - 2009, .
              67. P. K. Jain, Disc-loaded circular waveguides for Gyro-TWTs,? (Invited Talk), International Conference on Radio Science (ICRS-2008).  International Centre for Radio Science, Jodhpur,February - 2008, .
              68. S. K Sharma, Ashutosh, B Jha and P. K. Jain, Characterization of a gyrotron cavity, Int. Conf. on Radio Science (ICRS-2008).  International Centre for Radio Science, Jodhpur,February - 2008, .
              69. D. Matta Reddy, A. K. Sinha and P. K. Jain, Eigenmode and beam-wave interaction simulation for small orbit gyrotron using MAGIC, Int. Conf. on Radio Science (ICRS-2008).  International Centre for Radio Science, Jodhpur,February - 2008, .
              70. N. Vijay Suresh, R. K. SIngh and P. K. Jain, Analysis and simulation of Eigenvalue and transmission of an axially corrugated cylindrical waveguide, Int. Conf. on Radio Science (ICRS-2008).  International Centre for Radio Science, Jodhpur,February - 2008, .
              71. R. K. Singh, P. K. Jain, B. N. Basu, Analysis of ohmic quality factor for the Azimuthally Symmetrical TE 03-mode 42GHz gyrotron cavity., International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications.  374-377, ,August - 2007, .
              72. Santanu Karmakar, P. K. Jain, Lalit Kumar and B N Basu, A simple algorithm for large-signal analysis of a gyro-TWT, IEEE International Vacuum Electronics Conference (IVEC-2007).  ,May - 2007, .
              73. Kesari, Vishal, P. K. Jain, and B. N. Basu., Analysis of a Disc-Loaded-Coaxial Waveguide for Wideband and High-Gain Gyro-TWTs., 7th International Symposium on Antennas, Propagation & EM Theory.  26-29, China,October - 2006, .
              74. R. K. Singh, P. K. Jain, B. N. Basu, Nonlinear Analysis of Dielectric-Rod Loaded Gyro-TWT Amplifier, International Conference CODEC-06.  20-22 , Calcutta, India,December - 2006, .
              75. Kalpana Singh, P. K. Jain, and B. N. Basu, Optimisation of corrugated coaxial cavity parameters for mode rarefaction in a gyrotron, URSI Conference Proceedings.  India - 2005, .
              76. S. J. Rao, P. K. Jain, and B. N. Basu, Tailoring of Interaction Impedance for broadbanding Gyro-Travelling-Wave Tubes, Int. Conf. on Computers and Devices for Communication.  14-17, Calcutta, India,January - 1998, .
              77. S. Ghosh, P. K. Jain, and B. N. Basu, Fast-Wave Propagation through a Dielectric-Loaded Helical Structure Enclosed in a Metal Envelope, Asia Pacific Microwave Conference.  1407-1410, New Delhi, India,December - 1996, .
              78. S. J. Rao, P. K. Jain, and B. N. Basu, Broadbanding of Gyro-Travelling-Wave Amplifiers, Asia Pacific Microwave Conference.  895-898, New Delhi, India,December - 1996, .
              National Conferences
              1. R. Agrahari, R. Prakash, and P. K. Jain, Review on Electromagnetic(Photonic) Band Gap Metamaterial For the electronic devices, National Workshop on Vacuum Electron Devices & its Applications VEDA-2015.  Bengalore, India,December - 2105, .
              2. Vikram Kumar and P.K. Jain, Sectoral Waveguide TEM to TE11 Mode Converter and its Limitation, National Conference on Emerging Trends in Vacuum Electronic Devices & Applications (VEDA-2017).  IIT Roorkee,November - 2017, .
              3. Arjun Kumar, M. Thottappan, and P.K. Jain, Study of Asymmetric Mode Generation in Magnetically Insulated Line Oscillator, National Conference on Emerging Trends in Vacuum Electronic Devices & Applications (VEDA-2017).  IIT Roorkee,November - 2017, .
              4. Vineet Singh, Somak Bhattacharya, and P.K. Jain, Experimental Study on Heartbeat Detection using Microwave Stepped Frequency Radar, National Conference on Emerging Trends in Vacuum Electronic Devices & Applications (VEDA-2017).  IIT Roorkee,November - 2017, .
              5. Prabhakar Tripathi, Manpuran Mahto, M. Thottappan, and P.K. Jain, Studies of a Megawatt-Class Gridless Reltron Oscillator, National Conference on Emerging Trends in Vacuum Electronic Devices & Applications (VEDA-2017).  IIT Roorkee,November - 2017, .
              6. R. Agrahari, R. Prakash, and P. K. Jain, EM Wave Propagation in the PBG Waveguiding Structure for Microwave Application, National Conference on Emerging Trends in Vacuum Electronic Devices & Applications (VEDA-2016).  ,March - 2016, .
              7. V. Kumar, and P. K. Jain, Effects of Dielectrics in Coaxial Beam Rotating Antenna, National Conference on Emerging Trends in Vacuum Electronic Devices & Applications (VEDA-2016) .  ,March - 2016, .
              8. A. Kumar, and P. K. Jain, Simulation Study of S-band Tapered Magnetically Insulated Line Oscillator, National Conference on Emerging Trends in Vacuum Electronic Devices & Applications (VEDA-2016) .  ,March - 2016, .
              9. Prabhakar Tripathi, M. Mahto , and P. K. Jain, Simulation Study of Ku-Band Reltron Oscillator, National Conference on Emerging Trends in Vacuum Electronic Devices & Applications (VEDA-2016) .  ,March - 2016, .
              10. V. Singh P. Kesharwani, and P. K. Jain, Determination of Target Position using Microwave Imaging System, National Conference on Emerging Trends in Vacuum Electronic Devices & Applications (VEDA-2016) .  ,March - 2016, .
              11. P. Kesharwani and P.K. Jain, A Review on Target Detection using Microwave Imaging System, National Conference on Emerging Trends in Vacuum Electronic Devices & Applications (VEDA-2016) .  ,March - 2016, .
              12. M. V. Swati,M. S. Chauhan and P. K. Jain, Beam-Wave Interaction Study of a Second Harmonic Gyroklystron Amplifier, National Conference on Recent Advances in Electronics & Computer Engineering (RAECE-2015).  Roorkee, India,February - 2015, .
              13. Gargi Dixit,andP.K.Jain, Electromagnetic Analysis of a Coaxial Metal Disc Loaded Waveguiding Structure, National Conference on Recent Advances in Electronics & Computer Engineering (RAECE-2015).  Roorkee, India,February - 2015, .
              14. M.Mahto,and P.K.Jain, Beam Wave Interaction Studies of Gridless Reltron, National Conference on Recent Advances in Electronics & Computer Engineering (RAECE-2015).  Roorkee, India,February - 2015, .
              15. Amit Arora, M. Thottappan, and P. K. Jain, Time Dependent Nonlinear Analysis of Gyro-TWT Amplifier, National Conference on Recent Advances in Electronics & Computer Engineering (RAECE-2015).  Roorkee, India,February - 2015, .
              16. M.V. Swati, M.S. Chauhan, and P.K. Jain, Parametric analysis of a W-band Gyroklystron Amplifier, National Workshop on Vacuum Electron Devices & its Applications.  Devi Ahilya Vishwavidyalaya, Indore, India,March - 2015, .
              17. Sivavenkateswara Rao V and P. K. Jain, Quasi Optical Mode Launcher for millimeter CW Gyrotron, National Workshop on Vacuum Electron Devices & its Applications.  Devi Ahilya Vishwavidyalaya, Indore, India,March - 2015, .
              18. M.S. Chauhan, M.V. Swati, and P. K. Jain, Effect of Cavities Misalignment of Gyroklystron Performance, National Workshop on Vacuum Electron Devices & its Applications.  Devi Ahilya Vishwavidyalaya, Indore, India,March - 2015, .
              19. Manpuran Mahto and P. K. Jain, Electromagnetic Analysis of Reltron Oscillator, National Workshop on Vacuum Electron Devices & its Applications.  Devi Ahilya Vishwavidyalaya, Indore, India,March - 2015, .
              20. Gargi Dixit, R. Sharma, P. K. Jain, Coupled-Mode Analysis of a Coaxial Metal Disc Loaded SWS, National Workshop on Vacuum Electron Devices & its Applications.  Devi Ahilya Vishwavidyalaya, Indore, India,March - 2015, .
              21. V. Kumar, and P.K.Jain, Design and Simulation of a Coaxial to Cylindrical Waveguide Mode Converter, National Workshop on Vacuum Electron Devices & its Applications VEDA-2015, MTRDC.  Bengalore, India,December - 2015, .
              22. A. Singh, R. Sharma, and P.K. Jain, Effect of Velocity Spread on RF Output of a 35GHz Cylindrical Cavity Gyrotron Oscillator, National Workshop on Vacuum Electron Devices & its Applications VEDA-2015, MTRDC.  Bengalore, India,December - 2015, .
              23. M.S. Chauhan, M.V. Swati, and P.K. Jain, Effect of Drift Tubes Misalignment on the Gyroklystron Amplifiers Performance, National Workshop on Vacuum Electron Devices & its Applications VEDA-2015.  Bengalore, India,December - 2015, .
              24. M. Mahto, and P.K. Jain, Simulation Study of a Gridless Reltron, National Workshop on Vacuum Electron Devices & its Applications VEDA-2015.  Bengalore, India,December - 2015, .
              25. M.V. Swati, M.S. Chauhan, and P.K. Jain, PIC Simulation of a Ka-Band Second-Harmonic Gyroklystron Amplifier, National Workshop on Vacuum Electron Devices & its Applications VEDA-2015.  Bengalore, India,December - 2015, .
              26. S.V. Rao, and P.K. Jain, PIC Simulation of a W-band Gyrotron Oscillator,, National Workshop on Vacuum Electron Devices & its Applications VEDA-2015.  Bengalore, India,December - 2015, .
              27. A. Kumar, G. Dixit, and P.K. Jain, Performance Improvement Study of MILO Using Optimization of Load Parameters, National Workshop on Vacuum Electron Devices & its Applications VEDA-2015.  Bengalore, India,December - 2015, .
              28. M. S. Chauhan, M. V. Swati and P. K. Jain, Design and Simulation of a Four-Cavity Gyroklystron Amplifier, National Workshop on Vacuum Electron Devices & its Applications (VEDA-2013).  Roorkee, India,October - 2013, .
              29. M. V. Swati, M. S. Chauhan and P. K. Jain, Multimode Behaviour Study of a Gyroklystron Amplifier, National Workshop on Vacuum Electron Devices & its Applications (VEDA-2013).  Roorkee, India,October - 2013, .
              30. Gargi Dixit and P. K. Jain, An Improved MILO Structure for Device Efficiency Enhancement, National Workshop on Vacuum Electron Devices & its Applications (VEDA-2013).  Roorkee, India,October - 2013, .
              31. Ashutosh and P. K. Jain, Investigation of Multimode Behavior of a 35 GHz Gyrotron, National Workshop on Vacuum Electron Devices & its Applications (VEDA-2013).  Roorkee, India,October - 2013, .
              32. SK Sharma, N Kumar, N Sahu, MK Sharma, P Singh, R Prakash, D Srivastava, A Mishra ,U Singh, Vishant, H Khatun, MK Alaria, P K Jain and AK Sinha, Development of Gun-Collector module for 42 GHz, 200 kW Gyrotron, NIECE-2013.  Arya College of Engg. & IT, Jaipur,February - 2013, .
              33. Yuvaraj S., M. Thottappan, and P. K. Jain, High Power Gyro-Twystron- A Review, National Workshop on Vacuum Electron Devices & its Applications VEDA-2013.  Roorkee, India,October - 2013, .
              34. Pushpalata Laxman Pakhale, M. Thottappan, and P. K. Jain, PIC Simulation of Second Harmonic Gyro ?TWT Amplifier, National Workshop on Vacuum Electron Devices & its Applications VEDA-2013.  Roorkee, India,October - 2013, .
              35. M.Thottappan, Sukwinder Singh, and P. K. Jain, Second Harmonic High Power Gyro-TWT Amplifier, National Workshop on Vacuum Electron Devices & its Applications VEDA-2013.  Roorkee, India,October - 2013, .
              36. Rajeev Sharma, R. L. Dua and P. K. Jain, Performance Optimization of nonlinear cylindrical waveguide taper, National Conference on Recent Trends in Microwave Techniques and Applications, MICROWAVE-2012.  Univ. Rajsthan, Jaipur,July, August - 2012, .
              37. Ashutosh, Priti Gautam, and P. K. Jain, Performance Investigation of a Gyrotron using Metal PBG Cavity, National Conference on Recent Trends in Microwave Techniques and Applications, MICROWAVE-2012.  Univ. Rajsthan, Jaipur,July, August - 2012, .
              38. Gargi Dixit and P. K. Jain, 3-D PIC Simulation of a S-Band Magnetically Insulated Line Oscillator, National Conference on Recent Trends in Microwave Techniques and Applications, MICROWAVE-2012.  Univ. Rajsthan, Jaipur,July, August - 2012, .
              39. Smrity Dwivedi and P. K. Jain, Optimization of Magnetically Insulated Line Oscillator (MILO) RF Interaction Structure for its performance improvement, National Conference on Recent Trends in Microwave Techniques and Applications, MICROWAVE-2012.  Univ. Rajsthan, Jaipur,July, August - 2012, .
              40. M. Thottappan and P. K. Jain, Beam Wave Interaction Simulation of Gyro-TWT Amplifier, National Conference on Recent Trends in Microwave Techniques and Applications, MICROWAVE-2012.  Univ. Rajsthan, Jaipur,July, August - 2012, .
              41. M. S. Chauhan, M. V. Swati, and P. K. Jain, Beam-Wave Interaction Study of Three-Cavity Gyroklystron, National Conference on Recent Trends in Microwave Techniques and Applications, MICROWAVE-2012.  Univ. Rajsthan, Jaipur,July, August - 2012, .
              42. P. J. Jain, Recent trends in HPM devices, National Conference on Recent Trends in Microwave Techniques and Applications, MICROWAVE-2012.  Univ. Rajsthan, Jaipur,July, August - 2012, .
              43. V. Yadav, N. Kumar, B. Jha, P. K. Jain, S. C. Deorani and A. K. Sinha, Nondestructive RF characterization of 28GHz 200kW gyrotronresonator, National Conference on Recent Trends in Microwave Techniques and Applications, MICROWAVE-2012.  Univ. Rajsthan, Jaipur,July, August - 2012, .
              44. P. K. Jain, Recent Advance in Klystrons and its derivative device, National Conference on Vacuum Electronic Devices & Applications, VEDA-2012.  CEERI, CSIR, Pilani,September - 2012, .
              45. Shivendra Maurya, VVP Singh, and P. K. Jain, PIC simulation of Partially dielectric loaded A6 relativistic magnetron using MAGIC-3D, National Conference on Vacuum Electronic Devices & Applications, VEDA-2012.  CEERI, CSIR, Pilani,September - 2012, .
              46. V. Nallasamy, A Kumar, S. K. Datta, SUM Reddy, P. K. Jain, and Lalit Kumar, Simulation investigation of L-band magnetically insulated line oscillator, National Conference on Vacuum Electronic Devices & Applications, VEDA-2012.  CEERI, CSIR, Pilani,September - 2012, .
              47. Gargi Dixit, and P. K. Jain, Beam-wave interaction study of a S-band MILO through PIC simulation using Particle Studio Code, National Conference on Vacuum Electronic Devices & Applications, VEDA-2012.  CEERI, CSIR, Pilani,September - 2012, .
              48. M. Thottappan and P. K. Jain, Design and simulation of metal PBG waveguide for gyro-TWT amplifier, National Conference on Vacuum Electronic Devices & Applications, VEDA-2012.  CEERI, CSIR, Pilani,September - 2012, .
              49. M. Wasim and P. K. Jain, Reltron ? A high power HPM source: A review, National Conference on Vacuum Electronic Devices & Applications, VEDA-2012.  CEERI, CSIR, Pilani,September - 2012, .
              50. Rajeev Sharma, R. L. Dua, and P. K. Jain, Design, simulation and characterization of a nonlinear cylindrical waveguide taper for 200kW 42Ghz gyrotron, National Conference on Vacuum Electronic Devices & Applications, VEDA-2012.  CEERI, CSIR, Pilani,September - 2012, .
              51. M. S. Chauhan, M.V. Swati and P. K. Jain, PIC simulation of 35GHz three cavity gyroklystron, National Conference on Vacuum Electronic Devices & Applications, VEDA-2012.  CEERI, CSIR, Pilani,September - 2012, .
              52. Ashutosh and P. K. Jain, RF behavior of a 35GHz PBG cavity gyrotron, National Conference on Vacuum Electronic Devices & Applications, VEDA-2012.  CEERI, CSIR, Pilani,September - 2012, .
              53. Smrity Dwivedi and P. K. Jain, Optimization of magnetically insulated line oscillator (MILO) beam parameters for its performance improvement, National Conference on Vacuum Electronic Devices & Applications, VEDA-2012.  CEERI, CSIR, Pilani,September - 2012, .
              54. S K Sharma, N Kumar, P Singh, R Prakash, D Srivastava, A Mishra, U Singh, Vishant, H Khatun, MK Alaria, P K Jain, and AK Sinha, Finalization of Ceramic-metal joints in MIG for 42 GHz, 200 kW Gyrotron, Int. Conf. on Ceramics, ICC-12.  GEC, Bikaner,December - 2012, .
              55. Rajeev Sharma, R. P. Gupta and P. K. Jain, Synthesis of Non-Linear Cylindrical Waveguide Tapers having Different Shape Profile, Symposium on Vacuum Electron Devices and Applications, VEDA-2011.  RKGIT, Ghaziabad,November - 2011, .
              56. Ashutosh, Ravi Chandra B and P. K. Jain, Beam-Wave Interaction Simulation of 42GHz, 200kW Gyrotron using CST Particle Studio, Symposium on Vacuum Electron Devices and Applications, VEDA-2011.  RKGIT, Ghaziabad,November - 2011, .
              57. M. S. Chauhan and P. K. Jain, PIC Simulation of 28GHz, 200kW Gyroklystron, Symposium on Vacuum Electron Devices and Applications, VEDA-2011.  RKGIT, Ghaziabad,November - 2011, .
              58. M. V. Swati, M. S. Chauhan and P. K. Jain, Study of Linear Theory for the Gyroklystrons, Symposium on Vacuum Electron Devices and Applications, VEDA-2011.  RKGIT, Ghaziabad,November - 2011, .
              59. Alok Mishra, A.K.Sinha and P. K. Jain, Analysis of X-Ray Shielding at the Collector of High Power Gyrotron, Symposium on Vacuum Electron Devices and Applications, VEDA-2011.  RKGIT, Ghaziabad,November - 2011, .
              60. Priti Gautam, Ashutosh and P. K. Jain, Estimation of Start Oscillation Current and Coupling Coefficient in a Gyrotron using PBG Resonator, Symposium on Vacuum Electron Devices and Applications, VEDA-2011.  RKGIT, Ghaziabad,November - 2011, .
              61. Alok Mishra, A.K.Sinha and P. K. Jain, Electrical Breakdown Analysis of Magnetron Injection Gun for 42GHz/200kW Gyrotron, Symposium on Vacuum Electron Devices and Applications, VEDA-2011.  RKGIT, Ghaziabad,November - 2011, .
              62. P. K. Jain, Emerging trends in high power microwave sources ? An Overview, National Workshop on Vacuum Electronic Devices and Applications-2010.  CET, Moradabad,November - 2010, .
              63. Alok Mishra, S. K. Sharma, A. K. Sinha and P. K. Jain, Investigation of x-rays, corona and multipactor discharge in high power microwave tubes ? a review, National Workshop on Vacuum Electronic Devices and Applications-2010.  CET, Moradabad,November - 2010, .
              64. V. K. Vishwakarma, N. Srivastava, P. K. Jain, D. Gumber and R. Singh, Studies for design of 42 GHz, 200 KW CW gyrotron cavity, National Workshop on Vacuum Electronic Devices and Applications-2010.  CET, Moradabad,November - 2010, .
              65. Ashutosh, R. Singh, and P. K. Jain, Beam-wave interaction study in the gyro-TWTs, National Workshop on Vacuum Electronic Devices and Applications-2010.  CET, Moradabad,November - 2010, .
              66. M. S. Chauhan and P. K. Jain, Start oscillation current criteria in the gyroklystron, National Workshop on Vacuum Electronic Devices and Applications-2010.  CET, Moradabad,November - 2010, .
              67. S. K. Sharma, A. K. Sinha and P. K. Jain, Characterization of a gyrotron MIG ? a review, National Workshop on Vacuum Electronic Devices and Applications-2010.  CET, Moradabad,November - 2010, .
              68. Smrity Dwivedi, and P. K. Jain, Design and simulation of magnetically insulated line oscillator (MILO), Symposium on Vacuum Electronic Devices and Applications, VEDA-2009.  Dept. of Electronics Engg., BHU, Varanasi ,January - 2009, .
              69. M. Thottappan, A. K. Pathak, and P. K. Jain, Simulation of linear waveguides in photonic crystal slab, Symposium on Vacuum Electronic Devices and Applications, VEDA-2009.  Dept. of Electronics Engg., BHU, Varanasi ,January - 2009, .
              70. S. K. Sharma, Ashutosh, B. Jha,R. S. Raju, A. K. Sinha, and P. K. Jain, Mode identification in a cylindrical cavity by perturbation technique used in a gyrotron, Symposium on Vacuum Electronic Devices and Applications, VEDA-2009.  Dept. of Electronics Engg., BHU, Varanasi ,January - 2009, .
              71. Ashutosh, and P. K. Jain, Dispersion characteristics of composite photonic band gap structures for use in the vacuum electron devices, Symposium on Vacuum Electronic Devices and Applications, VEDA-2009.  Dept. of Electronics Engg., BHU, Varanasi ,January - 2009, .
              72. V. K. Vishwakarma, Neelam Srivastava, P. K. Jain, A. Bera, and B. N. Basu, Appreciation of HFSS/CST microwave studio with respect to eigen characteristics of resonators and dispersion characteristics of waveguides, Symposium on Vacuum Electronic Devices and Applications, VEDA-2009.  Dept. of Electronics Engg., BHU, Varanasi,January - 2009, .
              73. Deepak Singh Nagarkoti, Smrity Dwivedi, and P. K. Jain, Particle swarm intelligence for optimization of non-linear circular waveguide for high power devices, Symposium on Vacuum Electronic Devices and Applications, VEDA-2009.  Dept. of Electronics Engg., BHU, Varanasi,January - 2009, .
              74. D Kalivaraprasad Reddy, M Thottappan, and P. K. Jain, Analysis and simulation of folded waveguide slow-wave structure for millimeter-wave TWTs, Symposium on Vacuum Electronic Devices and Applications, VEDA-2009.  Dept. of Electronics Engg., BHU, Varanasi,January - 2009, .
              75. Akram Ali, RK Singh, and P. K. Jain, Beam-wave interaction simulation for a disc-loaded gyro-TWT using MAGIC, Symposium on Vacuum Electronic Devices and Applications, VEDA-2009.  Dept. of Electronics Engg., BHU, Varanasi,January - 2009, .
              76. P. K. Jain , Magnetically Insulated Line Oscillator ?High Power Microwave Oscillator, (Invited Talk), National Workshop on Emerging Trends in Vacuum Electronic Devices & Applications.  MTRDC, DRDO, Bangalore ,October - 2009, .
              77. Smrity Dwivedi, and P. K. Jain, Electromagnetic Study of RF Interaction Structure for Magnetically Insulated Line Oscillator (MILO), National Symposium on Vacuum Technology and its Applications to Electronics Devices and Systems (IVSNS-2009).  CEERI, CSIR, Pilani ,November - 2009, .
              78. Ashutosh and PK Jain, Study of two-dimensional metallic photonic band gap structures simulation, National Symposium on Vacuum Technology and its Applications to Electronics Devices and Systems (IVSNS-2009).  CEERI, CSIR, Pilani ,November - 2009, .
              79. M S Chauhan, and P K Jain, Gyroklystron: A High Power Millimeter Wave Amplifier -Status and Capabilities, National Symposium on Vacuum Technology and its Applications to Electronics Devices and Systems (IVSNS-2009).  CEERI, CSIR, Pilani ,November - 2009, .
              80. R K Singh, Ashutosh, and P K Jain, Asymptotic Analysis of the Two-dimensional Metal PBG Structures, National Symposium on Vacuum Technology and its Applications to Electronics Devices and Systems (IVSNS-2009).  CEERI, CSIR, Pilani ,November - 2009, .
              81. M Thottappan, AK Pathak, and P K Jain, Study of the Metal Photonic Band Gap Structures for Gyrotron,, National Symposium on Vacuum Technology and its Applications to Electronics Devices and Systems (IVSNS-2009).  CEERI, CSIR, Pilani ,November - 2009, .
              82. R Seshadri, Raja Ramana Rao, S K Datta, S Kamath, and P K Jain, Effect of Anisotropic Dispersion Shaping of a Helical Slow-Wave Structure on the Backward-Wave Oscillation Criterion, National Symposium on Vacuum Technology and its Applications to Electronics Devices and Systems (IVSNS-2009).  CEERI, CSIR, Pilani ,November - 2009, .
              83. S K Sharma, V Yadav, A K Sinha, B Jha, P K Jain, and SN Joshi, Mode Identification of Cylindrical Cavity for High Power Gyrotron, National Symposium on Vacuum Technology and its Applications to Electronics Devices and Systems (IVSNS-2009).  CEERI, CSIR, Pilani,November - 2009, .
              84. P K Jain, Photonic Band Gap (PBG) Structures- as RF Interaction Structures for Vacuum Electron Devices, National Symposium on Vacuum Technology and its Applications to Electronics Devices and Systems (IVSNS-2009).  CEERI, CSIR, Pilani,November - 2009, .
              85. S Uma Maheswara Reddy, P K Jain and Lalit Kumar, Analysis of Vane-loaded cylindrical waveguide structure for Power Loss and Attenuation constant.  CEERI, CSIR, Pilani,November - 2009, .
              86. P. K. Jain , Beam-Wave Interaction in Gyro-devices, (Invited Talk), Scientific Meet on Gyro-Devices (SMG-2008).  CEERI, CSIR, Pilani ,June - 2008, .
              87. Ashutosh and P. K. Jain, Analysis of the two dimensional periodic composite photonic band gap structures for use in vacuum electron devices, Indian conference on Microwaves, Antenna, Propagation and Remote sensing, ICRS.  Jodhpur,December - 2008, .
              88. Smrity Dwivedi, Deepak Nagarkoti, and P. K. Jain, Analysis and design of non-linear cylindrical tapers for high-power devices, Indian conference on Microwaves, Antenna, Propagation and Remote sensing, ICRS.  Jodhpur,December - 2008, .
              89. Smrity Dwivedi, and P. K. Jain, Dispersion characteristics of a disk-loaded coaxial structure for MILO, Indian conference on Microwaves, Antenna, Propagation and Remote sensing, ICRS.  Jodhpur ,December - 2008, .
              90. Akram Ali, R.K. Singh, and P. K. Jain, Beam-Wave Interaction Simulation for a Small-Orbit Gyro-TWT using MAGIC, Indian conference on Microwaves, Antenna, Propagation and Remote sensing, ICRS.  Jodhpur,December - 2008, .
              91. A. K. Pathak, M. Thottappan,, and P. K. Jain, Study of the metallic photonic band gap structures for use in millimeter-wave gyro-TWTS, Indian conference on Microwaves, Antenna, Propagation and Remote sensing, ICRS.  Jodhpur,December - 2008, .
              92. P. K. Jain , Microwave electron-beam devices using photonic band gap (PBG) structures, (Invited Talk), Symposium on Vacuum Electron Devices and Applications VEDA-2007.  SAMEER, Mumbai ,November - 2007, .
              93. Vishal Kesari, P. K. Jain and B. N. Basu, Fast-wave analysis of a disc-loaded circular waveguide for a millimetre-wave wideband gyro-travelling-wave amplifier, 93rd Session of Indian Science Congress.  Acharya N.G. Ranga Agricultural University, Hyderabad,January - 2006, .
              94. P. K. Jain, Analysis and Design of RF Interaction Cavity and Taper Section for Gyrotron, (Invited Talk), Workshop on Gyrotrons and its Applications.  IPR, Gandhi Nagar,February - 2006, .
              95. R. K. Singh, P. K. Jain, B. N. Basu, Nonlinear Analysis of Gyrotron, Workshop Gyrotron and its Application.  Institute for Plasma Research, Gandhinagar,February - 2006, .
              96. P. K. Jain, Applications of High Power Microwaves, (Invited Talk), National Workshop on Microwaves and its Applications.  BITS, Pilani,March - 2006, .
              97. P. K. Jain, High-Power Microwaves --- Devices and Applications, (Invited Talk), National Conference on Recent Advancements in Microwave Technique & Applications, Microwave 2006.  Rajasthan University, Jaipur,October - 2006, .
              98. Vishal Kesari, P. K. Jain and B. N. Basu, Field profile in a disk-loaded circular waveguide excited in azimuthally symmetric modes for a Gyro-TWT, Symposium on Vacuum Electron Devices and Applications VEDA-2006.  CEERI, Pilani,October - 2006, .
              99. R. K. Singh,P. K. Jain, B. N. Basu, Nonlinear Simulation of Dielectric-Coaxial-Rod Loaded Gyro-TWT Amplifier, National Conference on Recent Advancements in Microwave Technique & Applications, Microwave 2006.  Rajasthan University, Jaipur,October - 2006, .
              100. P. K. Jain , Industrial Application of Micowaves and Millimeter-Waves, (Invited Talk), Symposium on Vacuum Electron Devices and Applications VEDA-2006.  CEERI, Pilani,October - 2006, .
              101. K. V. Sitarama Kumar, Vishal Kesari, P. K. Jain, and B. N. Basu, Helical Coordinate System for Electromagnetic Problems, Electro-2005.  Department of Electronics Engineering, Institute of Technology, Banaras Hindu University, Varanasi,February - 2005, .
              102. Vishal Kesari, P. K. Jain and B. N. Basu, Dispersion Characteristics of a Disc Loaded Circular Waveguide, Electro-2005.  Department of Electronics Engineering, Institute of Technology, Banaras Hindu University, Varanasi,February - 2005, .
              103. A.K. Sinha, R. Ranga Rao, S. N. Joshi, P. K. Jain, B. N. Basu, Y. D. Joo and G. S. Park, Analysis of azimuthally asymmetric helix slow-wave structures, Electro-2005.  Department of Electronics Engineering, Institute of Technology, Banaras Hindu University, Varanasi,February - 2005, .
              104. Vishal Kesari, P. K. Jain, and B. N. Basu, Analysis of disc-loaded circular waveguides for the vacuum electronic devices, All India Scientific/ Technological Conference on RF Wave Propagation and Electromagnetic Interference.  Defence Electronics Application Laboratory, Deharadun,November - 2005, .
              105. Vishal Kesari, P. K. Jain and B. N. Basu, Simulation of periodic circular and coaxial waveguides using HFSS, National Conference on Impact of Electronics and Communication on Rural Development.  Department of Electronics and Telecommunication, Chouksey Engineering College, Bilaspur,December - 2005, .
              106. Vishal Kesari, P. K. Jain and B. N. Basu, Dispersion control in a disc-loaded coaxial waveguide for a gyrotron travelling-wave tubes amplifier, Indian Conference on Microwaves, Antenna, Propagation and Remote Sensing (InCMARS-2005).  International Centre for Radio Science, Jodhpur ,December - 2005, .
              107. R. K. Singh, Vishal Kesari, P. K. Jain and B. N. Basu, Start oscillation current and coupling coefficient optimisation for gyrotrons, Indian Conference on Microwaves, Antenna, Propagation and Remote Sensing (InCMARS-2005).  International Centre for Radio Science, Jodhpur,December - 2005, .
              108. Vishal Kesari, Kalpana Singh, P. K. Jain, and B. N. Basu, Dispersion Shaping A Cylindrical Waveguide by Disc-loading for Wide-Band Gyro-TWTs, 2nd International Conference on Computers and Devices for Communication (CODEC), Institute of Radio Physics and Electronics.  University of Calcutta, Kolkata,January - 2004, .
              109. Kalpana Singh, Vishal Kesari, P. K. Jain, and B. N. Basu, Optimisation of Corrugated Coaxial Cavity Parameters in High Power Gyrotrons, 2nd International Conference on Computers and Devices for Communication (CODEC), Institute of Radio Physics and Electronics.  University of Calcutta, Kolkata,January - 2004, .
              110. Vishal Kesari, P. K. Jain and B. N. Basu, Dispersion characteristics of a disc-loaded coaxial waveguide for gyro-TWTs, International Conference on Submillimeter Science and Technology (ICSST 04).  Physical Research Laboratory, Ahamedabad,October - 2004, .
              111. A. K. Sinha, R Ranga Rao, S. N. Joshi, B. N. Basu and P. K. Jain, A review of modelling approaches for anisotropic helix slow-wave structure used in travelling-wave tubes, 2nd International Conference on Microwave, Antenna, Propagation and Remote Sensing, ICMRS-2004.  ICRS, Jodhpur,November - 2004, .
              112. Vishal Kesari, P. K. Jain and B. N. Basu, Helical corrugation in cylindrical waveguide for mode conversion, 16th Asia-Pacific Microwave Conference (APMC 2004), .  Department of Electronic Science, University of Delhi South Campus, New Delhi,December - 2004, .
              113. Vishal Kesari, P. K. Jain, and B. N. Basu, Analysis of A Coaxial Waveguide Loaded with Axially Periodic Discs on its Central Conductor, National Symposium on Advances in Microwaves and Light-waves (NSAML?03).  University of Delhi South Campus, New Delhi,October - 2003, .
              114. Suman Kumar, S. K. Datta, P.K. Jain, and B.N. Basu, Analysis of Backward wave oscillation conditions in Helix TWTs, Proceedings National Conference on Microwaves, Antenna, Propagation & Remote Sensing.  Jodhpur,December - 2002, .
              115. G.V. Kiran kumar, P. K. Jain, and B. N. Basu , Stability and Gain Analysis in Gyro-TWT Amplifier, Proceedings National Conference on Microwaves, Antenna, Propagation & Remote Sensing.  Jodhpur,December - 2002, .
              116. Vishal Kesari, P. K. Jain, and B. N. Basu, Analysis of Helically Corrugated Circular Waveguide in TE Mode, Proceedings National Conference on Microwaves, Antenna, Propagation & Remote Sensing.  Jodhpur,December - 2002, .
              117. Mukul Agrawal, G. Singh, P. K. Jain, and B. N. Basu, Broadbanding a vane-loaded gyro-TWT by multi-sectioning and tapering, Symposium on Advances in Electronics, ELECTRO-2001.  100-103, Dept. of Electronics Engineering, IT, BHU, Varanasi, 2001,January - 2001, .
              118. S. K. Gupta, S. K. Agrawal, N. S. Rana, B. Jha, P. K. Jain, and B. N. Basu, Analysis of a disc-loaded cylindrical waveguide and measurement on its dispersion for gyrotron applications, Symposium on Advances in Electronics, ELECTRO-2001.  321-324, Dept. of Electronics Engineering, IT, BHU, Varanasi, 2001.,January - 2001, .
              119. Ashutosh Pandey, Sharad Kumar, P. K. Jain, and B. N. Basu, Analysis of helically corrugated waveguide in the slow-wave regime, Symposium on Advances in Electronics, ELECTRO-2001.  325-328, Dept. of Electronics Engineering, IT, BHU, Varanasi, 2001,January - 2001, .
              120. G. Singh, P. K. Jain, and B. N. Basu, Analysis of a Dielectric-Loaded Magnetron-Like Circuit for gyro-TWTs, Symposium on Advances in Electronics, ELECTRO-2001.  100-103, Dept. of Electronics Engineering, IT, BHU, Varanasi, 2001,January - 2001, .
              121. Sharad Kumar, Ashutosh Pandey, Mukul Agrawal, S. J. Rao, and P. K. Jain, Non-linear analysis of a gyro-travelling wave tube ---A self consistent slow-time scale approach, National Symposium on Antennas and Propagation.  Cochin University of Science and Technology, Cochin, India,December - 2000, .
              122. S.M.S. Ravi Chandra, P.V. Bhaskar, G. Singh, P. K. Jain, and B. N. Basu, Analysis of a Corrugated Co-Axial Cylindrical Waveguide for a Large-Orbit High-Harmonic Gyro-TWT, National Conference on Electronic Materials, Devices and Systems.  18-20 , Dept. of Applied Electronics, Gulberga Univ., Gulbarga, Karnataka, India,January - 1999, .
              123. P.V. Bhaskar, S.M.S. Ravi Chandra, G. Singh, P. K. Jain, and B. N. Basu, Improved gain-frequency response of a large-orbit high-harmonic gyro-TWT using a corrugated waveguide, National Conference on Electronic Materials, Devices and Systems, Dept. of Applied Electronics.  18-20 , Gulberga Univ., Gulbarga, Karnataka, India,January - 1999, .
              124. Mukul Agrawal, T. R. Sridhar, P. K. Jain, and B. N. Basu, Analysis of a gyro-TWTs in tapered and disc-loaded cylindrical waveguide, Twenty third National Systems Conference.  210-213, Banaras Hindu University, Varanasi, India,December - 1999, .
              125. T. R. Sridhar, Mukul Agrawal, P. K. Jain, and B. N. Basu, Improved analysis of a disc-loaded cylindrical waveguide for potential application in gyro-TWTs, Twenty third National Systems Conference.  214-217, Banaras Hindu University, Varanasi, India,December - 1999, .
              126. P.V. Bhaskar, G. Singh, P. K. Jain, and B. N. Basu, Gain-Frequency Response of a Gyro-TWT in a Vane-Loaded Cylindrical Waveguide, National Symposium on Vacuum Science & Technology And Gas Discharge Tube Switches.  21-24 , CEERI, Pilani, India,September - 1998, .
              127. S.M.S. Ravi Chandra, P.V. Bhaskar, G. Singh, P. K. Jain, and B. N. Basu, Analysis of a Corrugated Cylindrical Waveguide for a Wideband Gyro-TWT, National Symposium on Vacuum Science & Technology And Gas Discharge Tube Switches.  21-24 , CEERI, Pilani, India,September - 1998, .
              128. S. K. Datta, P. K. Jain, and B. N. Basu, Nonlinear Eulerian versus Lagrangian Analysis of Helix Travelling-Wave Tubes, National Symposium on Vacuum Science & Technology And Gas Discharge Tube Switches.  21-24 , CEERI, Pilani, India,September - 1998, .
              129. S. Ghosh, P. K. Jain, and B. N. Basu, An Improved Field Analysis of Anisotropically-Loaded Helical Slow-Wave Structure for TWT?s, National Symposium on Antennas and Propagation.  55-60, Cochin University of Science and Technology, Cochin, India,November - 1996, .
              130. K.P. Reddy, S.J. Rao, P. K. Jain, and B. N. Basu, Analysis of a Loaded Waveguide for Wideband Gyro-TWTs, National Symposium on Modern Trends in Electronics & Communication Systems.  11, Andhra Univ, Visakhapatnam, India,February - 1995, .
              131. S.J. Rao, P. K. Jain, and B. N. Basu, Theory of Non-Resonant Perturbation Measurement on Interaction Structures for Travelling-Wave Tubes, National Symposium on Modern Trends in Electronics & Communication Systems.  50, Andhra Univ, Visakhapatnam, India,February - 1995, .
              132. S.J. Rao, K.P. Reddy, P. K. Jain, and B. N. Basu, Broadbanding a Gyro-TWT by Dielectric Loading, Symposium on Microwaves & millimeter waves-Recent Trends.  DEAL, Dehradun, India,April - 1995, .
              133. S.J. Rao, K.P. Reddy, P. K. Jain, and B. N. Basu, Experimental Characterisation of Helical Slow-Wave Structures for Travelling-Wave Tubes, National Symposium on Recent Advances in Microwaves and Lightwaves.  416-424, University of Delhi, New Delhi, India,December - 1995, .
              134. S. Ghosh, P. K. Jain, and B.N. Basu, Tape Helix Analysis of Potentially Broadband Helical Slow-Wave Structure for Broadband TWT?s, National Symposium on Recent Advances in Microwaves and Lightwaves.  599-604, University of Delhi, New Delhi, India,December - 1995, .
              135. S. Ghosh, K.P. Reddy, P. K. Jain, and B. N. Basu, Helix Thickness Effects in the Upper End of Microwave-to-millimeter wave Frequency Travelling-Wave Tubes, National Symposium on Antennas and Propagation, Cochin Univ. of Science & Tech.  61-64, Cochin, India,November - 1994, .
              136. B.N. Basu and P. K. Jain, Role of Distributed Losses in Broad-Band Helix Travelling-Wave Tubes, Symposium on Microwave Power Tubes and Their Applications.  I.4, CEERI, Pilani, India,September - 1990, .
              137. P. K. Jain and B.N. Basu, Complete Equivalent Circuit Analysis for Helical Slow-Wave Structure, Symposium on Microwave Power Tubes and their Applications.  5.1, CEERI, Pilani, India,September - 1990, .
              138. P. K. Jain and B.N. Basu, A Review on the Analytical Techniques to the Problem of Helical Slow-Wave Structure, Seminar on Electromagnetics and Their Applications.  24-25, B.H.U., Varanasi, India,December - 1988, .
              139. P. K. Jain, A.K. Pandey, M.L. Sisodia, and N.C. Vaidya, Effects of Improper Launching Conditions on Beam Scalloping in PPM Fields, Indian Science Conference.  Tirupati, India,January - 1983, .
              Projects
              1. Alt. Chief Coordinator, "Infrastructure Development for the Study of Fast-wave Structures", MHRD, Govt of India Rs. 15 lacs 1993-1995
              2. Alt. Chief Coordinator,"Basic and Applied Research on Gyro-TWT Amplifiers", AICTE Rs. 12 lacs 1996-1998
              3. Principal Investigator," Studies on slow and fast wave interaction structures for beam-wave interaction in TWTs", DRDO Rs. 29.7 lacs March 2000- March 2003
              4. Principal Investigator,“Studies on High-Power Microwave Devices for Directed Energy Weapon (DEW) Application”, DRDO Rs. 9.9 lacs Jan2006 – March 2008
              5. Principal Investigator,“Design and Development of 200kW CW/Long Pulse 42GHz Gyrotron”, DST Rs. 244.5 lacs April 2006 to March 2015
              6. Principal Investigator, “Analysis, Design and Simulation of an S-Band MILO”, DRDO Rs. 45.85 lacs July 2013 – July 2016
              7. Principal Investigator, “Design Investigations of High Power mm-Wave W-Band Gyrotron”, DRDO Rs. 9.9 lacs July 2016 -Continuing
              8. Investigator,
              Phd Students
              1. - Design and Evaluation of Non-intercepting Gridded Electron Guns for Linear-Beam Microwave Tubes ( 2000 - Awarded ).
              2. - Studies on Gyrotron using Metallic PBG Structure as RF Cavity ( 2012 - Awarded ).
              3. - Studies on RF Behavior of Magnetically Insulated Line Oscillator (MILO) ( 2012 - Awarded ).
              4. - Studies on large-Signal Behaviour of a Disc-Loaded Wideband Gyro-TWT Amplifier ( 2011 - Awarded ).
              5. - Simulation and Characterisation of Anisotropic and Inhomogeneously Loaded Helical Slow-Wave Structures for Wideband TWTs ( 2010 - Awarded ).
              6. - Studies on Vane-Loaded Coaxial Waveguiding Structures for Gyrotron Devices ( 2010 - Awarded ).
              7. - Study on the Formation of an Electron Beam and RF Interaction Structures of a Gyrotron ( 2009 - Awarded ).
              8. - Analysis of Disc-loaded Circular waveguides for wideband gyro-travelling-wave tubes ( 2006 - Awarded ).
              9. - Characterisation of Some Interaction Structures for Microwave Tube Amplifiers ( 2001 - Awarded ).
              10. - Analytical Studies on Inhomogeneously Loaded Helical Structures for Broadband TWTs ( 1996 - Awarded ).
              11. - Analysis, Design, Simulation and Development of a Non-Linear Taper for 200kW 42GHz Gyrotron ( 2013 - Awarded ).
              12. - Performance Improvement Studies on the Relativistic Magnetron ( 2013 - Awarded ).
              13. - Beam-Wave Interaction Studies of Gyro-TWT using a Metal PBG Waveguide as its RF structure ( 2013 - Awarded ).
              14. - Analytical and Simulation Studies of Gyroklystron Amplifiers ( 2015 - Awarded ).
              15. - Performance improvement studies of magnetically insulated line oscillator ( 2017 - Awarded ).
              16. - Multimode large signal harmonic analysis of the gyro-traveling wave amplifiers ( 2017 - Awarded ).
              17. - Multi-mode analysis and simulation of gyroklystron amplifier ( 2017 - Awarded ).
              18. - Equivalent Circuit Approach to the Beam-Wave Interaction Analysis of the Magnetically Insulated Line Oscillator ( 2016 - Awarded ).
              19. - Design, Development and Characterization of an Electron Gun-Collector Module for a 42GHz 200kW Gyrotron ( 2015 - Awarded ).
              20. - Analysis, Design and Simulation of the HPM Source ( 2017 - Awarded ).
              21. Akhilendra Pratap Singh - Microwave imaging through walls ( - - Ongoing ).
              22. Arjun Kumar - Design studies of the dual mode dual frequencies MILO oscillator ( - - Ongoing ).
              23. Vineet Singh - Microwave imaging and signature from vegetations for image detection ( - - Ongoing ).
              24. Prabhakar Tripathi - Design and development of S-band HPM source for strategic applications ( - - Ongoing ).
              25. Vikram Kumar - Design and development of high power mode converter and radiating antenna for HPM systems ( - - Ongoing ).
              26. Rajan Agrahari - Design and development of high performance microwave devices using metamaterials ( - - Ongoing ).
              27. Siva Venkateswara Rao - Multi-modal analysis, design and simulation of quasi-optical mode converter for gyrotron oscillators ( - - Ongoing ).