A. NAG (Ph.D.; MICHE; FIC; DME) is Associate Professor in the Department of Chemistry at Indian Institute of Technology, Kharagpur. He has over 30 years of teaching and research experience and three years of industrial experience as Chief Project Officer in a reputed industry. He served as a Visiting Professor of University of Molise, Italy, Academia Sinica, Taiwan and Texas University, USA. Dr. Nag has published eighty research papers, five monographs and has authored seven textbooks. He has also supervised nine PhD students.