Bachelor Medicine B Surgery, G.R. Medical College, Gwalior, India, 1963. Doctor of Medicine, G.R. Medical College, Gwalior, India, 1967.
Lecturer All India Institute Medical Sciences, Delhi, 1978-1980, assistant professor, 1983-1985, associate professor, 1986-1988, additional professor, 1988-1992, professor medicine, head unit, since 1992. Assistant professor medicine University Garyounis, Benghazi, Libya, 1980-1982. Technology expert for selection of faculty Government of Nepal.
Government of India representative Meeting of Experts in Poisoning in South Asian Association for Regional Cooperation Region, Colombo, Sri Lanka, 1997. Member intenrat. steering committee 2d International Congress on Acquired Immune Deficiency Syndrome in Asia and the Pacific, 1992. Member subcommittee on drug consultative committee Ministry of Health and Family Welfare, India, member drug advisory committee, member subcommittee clinical medicine and pharmacology, Indian Pharmacopoeia Committee.
Referee for various publications in field. Chairman drug selection committee All India Institute Medical Sciences, New Delhi.
Fellow Geriatric Society India (founding), Indian College Physicians, International Medical Sciences Academy, Indian Academy Clinical Medicine, Indian Medical Association Academy Specialties. Member New York Academy of Sciences, National Academy Medical Sciences, Association Physicians of India, Indian Medical Association, Thyroid Association India, Association Physician of India, Indian Science Congress Association.
Married Jyotsana Sadhu, October 23, 1967. Children: Meenakshi Wali Nair, Natin.