Bachelor in Biology, University Rajasthan, 1977. Master of Science in Zoology, University Rajasthan, 1979. Doctor of Philosophy, University Rajasthan, 1984.
Research officer Malaria Research Center, Indian Council Medical Research, Nadiad, 1984—1987, senior research officer Rourkela, 1988—1995, assistant director Nadiad, 1995—2000, deputy director, since 2000. With World Health Organization, Southeast Asia Reginal Office, New Delhi, since 2002. Consultant World Health Organization, Eastern Mediterranean Regional Office, Cairo, 2001—2001.
Fellow: Indian Academy Vector-Borne Diseases (life). Member: Indian Society Parasitology (life), Indian Science Congress Association (life).
Married Ajnesh Yadav, January 24, 1961. Children: Avinash, Rohit.