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Dr. S. Alwin David teaches chemistry at V.O.Chidambaram College, Tamilnadu, India. He earned B.Sc., M.Sc., and M.Phil., in chemistry at V.O.C College affiliated to M.S.University, India. He completed his Ph.D., in 2018.

His articles have been published in various peer - reviewed international journals and proceedings of international conferences.

Alwin David has published seven books. He is a reviewer of multiple international journals.