Master of Science, Kumaun University, India, 1979. Doctor of Philosophy, Kumaun University, 1984.
Research associate, All India Institute Medical Sciences, New Delhi, 1984-1985; post doctoral associate, Washington University, Jewish Hospital, St. Louis, 1985-1990; assistant professor medicine, Washington University, Jewish Hospital, St. Louis, since 1990. Assistant professor Psychiatry Washington University, since 1990. Adjunct staff Jewish Hospital, St. Louis, since 1990.
President University Science Association, Almora, 1988-1989, secretary 1987-1988. Joint secretary Yound Science Association, New Delhi, 1983-1984. Member Research Society for Alcoholism.
Member American Federal Clinical Research, American Heart Association (fellow 1986-1988).
Married Nalini Srivastava, February 8, 1985. Children: Vaidehi, Prashant.