Prof. In charge Material Museum, Department of Architecture
Prof. In charge student activity , 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, .