Dr. Ritesh L. Kohale is an Assistant Professor and Head of the Department of Physics, SGM College, Nagpur, India. His research focuses on the synthesis and characterization of pyrophosphate-based phosphors for solid-state lighting, and on nanostructured materials for display technologies. He has published more than 40 research papers in international and national reviewed journals and also he has edited book in Nova Science Publisher. He is an editorial board member of American Journal of Optics and Photonics.