Director of Quality Control at Serum Institute of India Ltd. He has 30 years of technical experience in quality control of vaccines,adjuvant development,and managing quality control-related activities,and has significantly contributed towards the development and calibration of National Reference Standards for Vaccines and Antisera. He has been a collaborator on many international initiatives of WHO,NVI,NIBSC,EDQM,and PATH,aimed at the harmonization of regulatory requirements,the establishment of international standards,and the development of quality control release assays for immunobiologicals. He is a member of,and a panellist on,the Indian Pharmacopoeia Commission,and the United States Pharmacopeia.