Bachelor of Science with Honours, University Gauhati, Assam, 1961. Master of Science, University Delhi, India, 1963. Philosophy Doctor, Wharton School, Philadelphia, 1970.
Teaching assistant, management research analyst Wharton School, 1967—1970. Systems analyst United Nations Head Quaters, Geneva, 1971. Research fellow Indian Institute Management Calcutta, Kolkata, India, assistant professor, 1971—1976, professor, operations management, 1976—2003.
Director Management Education Center, Heritage Institute of Technology, 2003—2008. Professor & head operations, supply chain & retail management cluster Calcutta Business School, Bishnupur, since 2008.
Member of Operational Research Society India (secretary 1976-1988, editor-in-chief 2002-2007, chairman advisory committee since 2008, president since 2009).
Married Sachi Rani Sinha, July 10, 1966. Children: Bibrama Anita, Ananta Narayan, Piyali.