Dr. D.K. Dwivedi is currently Professor Department of Physics and Material Science and Dean of Faculty Affairs, Madan Mohan Malaviya University of Technology, Gorakhpur. He obtained his M.Sc. and Ph.D. from D.D.U. Gorakhpur University, Gorakhpur. He started his carrier as Scientific Officer in Bhabha Atomic Research Centre, Mumbai in 2001. He has served as Lecturer in Physics, D.D.U. Gorakhpur University for nearly 8 years. He has joined as Reader in Madan Mohan Malaviya University of Technology, Gorakhpur in 2009. He has 170 publications in International Journals and Conferences to his credit. He has authored four books and one book is in press. Dr. Dwivedi has supervised 10 Doctoral thesis and 6 are in progress. He has been awarded three major research projects. He has organized four national level conferences. His area of interest is Amorphous Semiconductors, Nano Structured Materials, Solar cell devices and Photonic Crystal Fiber sensors.