was awarded a doctoral degree by Jadavpur University Kolkata and
was formerly an Associate Professor of organic chemistry at Vivekananda College, Kolkata,
West Bengal. He has more than 30 years of teaching experience both at undergraduate and
postgraduate levels. His earlier titles are- Name Reactions and Rearrangements, Frontier
Orbital and Symmetry Controlled Pericyclic Reactions, Fundamentals of Organic Synthesis and
Retro-synthetic Analysis.