Bachelor with honors, Ranchi University, Jharkhand, India, 1972. Master of Arts, T.M. Bhagalpur University, Bihar, India, 1976. Doctor of Philosophy, University Aberdeen, Scotland, 1980—1983.
Lecturer, reader T.M. Bhagalpur University, India, 1976—1986. Reader Visva-Bharati, Santiniketan, India, 1986—1987, Indira Gandhi National Open University, New Delhi, since 1987. Visiting associate professor Colgate University.
Member of Modern Language Association, British Society for 18th Century Studies, American Society for 18th Century Studies, Indian National Science Academy.
Married Smt. Kumkum Sharma, December 30, 1959. Children: Ketaki Kushahari, Kaustubh Anshumali.