Holds a PhD in Neurochemistry from NIMHANS. He served the Indian Council of Medical Research (ICMR), from 1978 to 2003 as its Assistant Director and Head of the Division of Occupational Hygiene of the Regional Occupational Health Centre. He worked as the Ford Foundation Chair Professor, at Kathmandu University, Nepal from 2003 to 2007. From 2007 to 2020, he worked at PES University (formerly PES Institute of Technology), Bengaluru as a Professor of Chemistry, Dean (Evaluation), Dean (Academic Affairs), Director of the Centre for Medical & Environmental Biotechnology and Registrar. He works as a Research Professor of Chemistry at Dayananda Sagar University, Bengaluru.