Bachelor of Science, Punjab Agricultural University, 1968. Doctor of Philosophy, Haryana Agricultural University, Hissar, India, 1976.
Postdoctoral fellow, Osaka (Japan) U., 1979-1980; postdoctoral fellow, Wadley Institute Molecular Medicine, Dallas, 1982-1984; senior scientist I, Wadley Institute Molecular Medicine, Dallas, 1984-1986; senior scientist II, Wadley Institute Molecular Medicine, Dallas, 1986-1988; senior scientist III, Wadley Bioscis., Dallas, 1988-1991; senior scientist III, co-director gene expression, Cytoclonal Pharmaceuticals, Inc., Dallas, since 1991.
Member American Association for the Advancement of Science, American Society Microbiology.
Married Parmjit Kaur Dhaliwal, March 5, 1978. Children: Jaspreet Singh, Harsimran Singh.