Dr. Narendra Kumar obtained B.Sc., M.Sc. in Physics from Institute of Sciences (formerly Faculty of Science), Banaras Hindu University, and a doctorate in Applied Physics from IIT-BHU in the year 2002. He is an Associate Professor & HEAD in the Department of Physics, School of Sciences (SLAS) at Mody University of Science and Technology, India. He has published 4 international books and 60 scopus indexed research papers. Dr Kumar is in the Editorial Boards and invited-reviewer for some peer-reviewed Journals in photonics and a Life Fellow of OSI.