Bachelor of Mechanical Engineering, Shibpur Engineering College, Calcutta, 1964.
Coke oven engineer Indian Iron and Steel Company, Burnpur, 1972-1975, maintenance control engineer, 1975-1979. Project manager Reckitt & Colman of India, Ltd., 1984-1990, factory manager, 1991-1992, general manager operations, 1992-1993, vice president supply, regional supply director, 1993-2000, retired, 2000.
Married Shipra Bhattacharyya, July 14, 1965. Children: Indranil, Nilanjan.