Dr. Pragati Kumar is Sr. Assistant Professor in Department of Physics and Astronomical Sciences, Central University of Jammu, India since 2016. Dr. Kumar has more than 17 years research and teaching experience. His research includes nanostructures, thin films, composites, and 2D materials, ion beam techniques, optoelectronic devices, sensors and photocatalysis. Dr. Kumar has published 43 research papers, 15 chapters, and edited 3 books with international publishers as well as editor in many international journals.Dr. Nupur Saxena is working as DST-Women Scientist, Department of Physics, IIT Jammu, India. She has more than 19 years of research experience in nanostructures, thin films, composites, ion beam techniques, optoelectronic devices, sensors and photocatalysis. She has published 30 research papers, 11 chapters, presented 43 papers in conferences, and edited 01 book with international publisher. She is a life time member of many scientific societies, reviewer as well as editor in many international journals.Dr. Pramod Kumar received his Ph.D. degree from (2015) the University of Delhi, India. Currently, he is an Assistant Professor of the Department of Chemistry and Chemical Sciences, at the Central University of Himachal Pradesh. His research interests include inorganic-based nanoparticles for drug delivery, photodynamic therapy. Current research interests are hybrid nanoparticles, hydrogel nanoparticles, metal organic frameworks and quantum dot. He has published more than 51 articles in leading scientific journals.Dr. Sundar Singh is a Professor in the Department of Physics at Bareilly College, Bareilly (India). Prof. Singh has published 13 books from National-level publishers, 22 research papers in journals of national and international repute, presented 20 research papers and delivered 12 talks in conferences, and has also completed one research project. He has supervised one Ph.D. (second one is pursuing) and 22 postgraduate dissertations. His research interests include DMS, QDs, solar cells, etc.