Dr. Parmod Kumar is an assistant professor in the Department of Physics at JC Bose University of Science and Technology, Faridabad, Haryana, India. Dr. Kumar earned his PhD from the IIT Delhi, India and also worked as DST-INSPIRE Faculty. His research interests include dilute magnetic semiconductors, magnetic materials, and other oxide semiconductors. Dr. Jitendra Pal Singh is currently working as Ramanujan Fellow at Manav Rachna University, Faridabad, Haryana, India. Dr. Singh earned his PhD from the Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India. He has been associated with Pohang Accelerator Laboratory, Pohang, South Korea, prior to his current appointment. Vinod Kumar is a lecturer in renewable energy in the Department of Physics at The University of the West Indies, St. Augustine Campus, Trinidad and Tobago. His current research interest area is oxide-based nanomaterial for lighting and solar cell applications.