He is the Professor and Head of the Department, Department of Pharmaceutical Technology, School of Medical Sciences, Adamas University, Kolkata, West Bengal, India. He has passed M.Pharm (Pharmaceutical Chemistry) from IIT, Banaras Hindu University and completed his PhD from Gauhati University. He has been teaching organic chemistry, medicinal chemistry and pharmaceutical analysis since thirteen years. He is also performing research works in synthetic medicinal chemistry on novel heterocyclic pharmacologically active compounds as well as isolation of bioactive compounds from natural resources. He has got one research project (AICTE-RPS) in the year 2013 with grant. He has published 35 research and review papers in reputed international journal, published 06 book chapters and 4 books by different publishing houses. He has patented 08 international patents (Australian patent, German patent and South African patent and Indian patent) in his name. He has attended more than 40 works shops, seminars/conferences and presented research papers. He has reviewed research papers in Medicinal Chemistry Research Journal (Springer), Current Medicinal Chemistry Journal (Bentham Science) and European Journal of Medicinal Chemistry. He has been awarded by the best teacher award (Excellency for the contribution to teaching) in 2011.