Dr. Omkar is a former professor of Department of Zoology, University of Lucknow. He has 36 years of teaching and 44 years of research experience in pesticide toxicity and ladybird beetles. He has approximately 300 publications, including 24 written and edited books. He is a fellow of The National Academy of Sciences, India and a recipient of Prof. TN Anantha Krishnan Foundation award and Rescholar award of Excellence in Agricultural Entomology. He has also been honored with Prof. G. S. Shukla Gold Medal, Saraswati Samman in Education by the Local Government, ACCLAIM award and Uddepan Award from the University of Lucknow.