Prof Sethi has over 27 years of experience teaching graduate and post-graduate classes. He has written three popular text books on Practical chemistry as well as Basic Organic chemistry for graduat...view moreProf Sethi has over 27 years of experience teaching graduate and post-graduate classes. He has written three popular text books on Practical chemistry as well as Basic Organic chemistry for graduate and postgraduate students. In addition, he has produced numerous research publications and review articles.view less