Prof. In charge Material Museum, Department of Architecture
Coordinator Examination, Department of Architecture
NIT Patna as An Assistant Professor from February 2009 till date
Delhi Metro Rail Corporation as an Assistant Manager From July 2008 to January 2009
Kapoor & Associates, Patna As an Architect From July 2004 to July 2006
Bhagat A., Kumar R, Re-Development of karbighaiya Power Plant as Energy Park. Journal of Indian Institute of Architects. 82, February - 2017,29-32, ISSN – 0019-4913.
Sharma A., Kumar R., Monument of the ‘Raj’ : The Administrative Building of National Institute of Technology Patna, IIE international Conference Program. Dubai,May - 2015, .
Kumar R., Rajak F., Computer Aided Construction Management, 2nd International Conference on Advances in Engineering and Technology. Nagpur,February - 2014, .
Bhanu A., Kumar R., Strategy for Municipal Solid Waste Management :- A case Study of Patna, International Scientific Academy of Engineering and Technology 4th International Conference on Waste Management (ICWM’14). 93-97, Pattaya (Thailand),December - 2014, .
Kumar R., Tiwari R., "Economics of Sustainable Construction, . BIT Patna,2nd- 3rd - Mar 2013, .
Kumar R., Rajak M.K, Maurya N. S., Fire control in high rise buildings, Institution of Public Health Engineers, India & Central Pollution Control Board, Ministry of Environment & Forest, Govt. of India. Managed by Association of Professional Graduate Civil Engineers , Agra Chapter. Agra,24th - 25th - Mar 2012, .
Kumar R, Rat -Trap Bond:- A Lowcost Brick Masonry, Workshop on Building Material and Construction. NIT Patna,April - 2015, .
Kumar R, Jain Temples of Patna, Workshop on Patna: A Heritage City. NIT Patna,Novemebr - 2014, .
Kumar R., Rajak F, Web Based Construction Management Information System , Recent Advances in Civil Engineering (RACE) - 2013. ,June - 2013, .