Bachelor of Science with honors, Cotton College, Guwahati, India, 1957. Master of Science, Gauhati University, 1960. Doctor of Philosophy, Gauhati University, 1965.
Lecturer, J.B. College, Jorhat, Assam., India, 1960-1961; lecturer, Gauhati U., 1965-1977; reader, Gauhati U., 1977-1980; visiting scientist, Iowa State University, Ames, 1980-1986; associate, Iowa State University, Ames, 1986-1991; scientist, Iowa State University, Ames, since 1991.
Member American Chemical Society, American Society Biochemistry and Molecular Biology.
Married Kobita Sarma, August 2, 1967. Children: Bonali, Manali.