Employment
1996 to present - Professor,Department of Biotechnology, Indian Institute of Technology (formerly University of Roorkee), Roorkee, India.
2005 (June-July)- Visiting Scientist, Department of Plant Sciences, North Dakota State University, Fargo, North Dakota, U.S.A.
2001(Oct.-Dec.) - Visiting Scientist, Pioneer Hi-Bred International Inc., Johnston, U.S.A.
1986-1996 - Reader, Department of Biosciences & Biotechnology, University of Roorkee, Roorkee, India.
1984-1986 - Lecturer, Department of Biosciences & Biotechnology, University of Roorkee, Roorkee, India.
1982-1984 - Research Associate, Jawaharlal Nehru University, New Delhi, India.
1980-1982 - I.T.C. Fellow, Hungarian Academy of Sciences, Hungary.