Bachelor of Science in Chemistry with honors, Calcutta University, 1982. Master of Science in Chemistry, Calcutta University, 1984. Doctor of Philosophy, Jadavpur University, 1989.
Junior research fellow Council of Scientific and Industrial Research, New Delhi, 1985—1988, senior research fellow, 1988—1990, research associate, 1990—1991. Assistant professor, head department chemistry Degree College, Directorate Higher Education, Khowai, Tripura, 1992—1998. Senior lecturer chemistry Degree College, Chief Secretariat (Education), Mahe, Pondicherry, 1998—2000.
Senior lecturer, reader chemistry, associate professor Kanchi Mamunivar Center for Postgraduate Studies, Chief Secretariat (Education), Pondicherry, since 2000. Guest teacher Tripura University, 1994—1995. Visiting professor Madurai Kamaraj University, since 2004, Algappa University, since 2005, Madras University, since 2008.
Member of Indian Association for Cultivation of Science (life).
Married Papiya Sur, July 23, 1993. Children: Asmita, Abhigyan.