67 years old, Sunil is a mechanical engineering graduate from MACT Bhopal (1977 Batch). He has over 45 years of experience in HVAC, Air Pollution Control, Energy Conservation, Efficiency, Renewable Energy and Sustainable Development.

He worked with MECON Ltd. (a public sector enterprise) from 1978 to 1991 and then for 6 months with Blue Start Ltd. In November, 1991, he started his own consultancy firm in the name of “Enviro Consultants & Engineers” at Bhopal. He did more than 100 energy audit studies from 1991 to 2005 and was deeply involved with the activities related to energy conservation and efficiency. He won many prizes for his articles during 2004 to 2006 under Indo-German initiatives through GTZ.