Dr. S. SELLADURAI, Ph.D., is Professor, Department of Physics, Anna University, Chennai. He has about 20 years of teaching and research experience. He is the recipient of the Young Scientist Fellow Award and the UGC Research Award. Dr. Selladurai has published many articles in reputed journals and established the Ionics Research Laboratory from the funded projects. He has guided many postgraduate students as well as Ph.D. students for their research projects. He is a life member of various international research societies/organizations.