Bachelor of Science in Physiology, Calcutta (India) University, 1976. Master of Science in Physiology, Calcutta (India) University, 1978. Doctor of Philosophy in Physiology, Calcutta (India) University, 1991.
Research fellow department physiology Calcutta (India) University, 1981-1987. Senior research fellow department food technical & biochemistry engineering Jadavpur University, Calcutta, 1988-1989. Research associate department pharmacology Howard University, Washington, 1989-1990, research associate department oncology, 1991-1992.
Visiting associate laboratory molecular carcinogenesis National Institute Environmental Health Sciences/National Institutes of Health, Research Triangle Park, North Carolina, since 1992.
Married Kaberi Pharikal, April 20, 1989.