Bachelor of Science in Botany, University Delhi, Delhi, India, 1976. Master of Science in Plant Physiology. Weed Science, Himachal Pradesh Agricultural University, Solan, India, 1979.
Master of Science in Weed Science, University Alberta, Edmonton, Canada, 1983. Doctor of Philosophy in Plant Physiology/Weed Science, Virginia Polytech. Institute & State University, 1987.
- Graduate research assistant University Alberta, Edmonton, 1980-1984, Virginia Polytechnic Institute, Blacksburg, 1984-1987. Research associate University Florida, Lake Alfred, 1987-1989. Senior scientist Sandoz Agro, Inc., Gilroy, California, since 1989.
Active student's council Himachal Pradesh University, Simla, India, 1977-1978. Chairman graduate student association Virginia Polytechnic Institute, 1986-1987. Member International Weed Science Society, Southern Weed Science Society, Northeast Weed Science Society, Weed Science Society of America, Soil Science Society of America, Expert Committee Weeds, Sigma Xi, Phi Sigma (Alpha Si chapter), Gamma Sigma Delta, Phi Kappa Phi.