I am currently Associate Professor in the Department of Environmental Science and Engineering, Indian Institute of Technology Dhanbad, Jharkhand, INDIA. I am specifically fascinated in design and fabrication of Nano photocatalysts for sustainable environmental and energy applications. I 've interdisciplinary research experience in the field of chemical environmental engineering for more than a decade with working experiences at Department of Civil Engineering, NANOCAT, University of Malaya, Malaysia; Department of Chemical Technology, Politechnika Gdańska, Poland; Department of Chemical Engineering, National Institute of Technology Thiruchirappalli. Founded and led “Environmental Nanomaterials” research group in the department of civil engineering, since feb.2010 until August 2016. Have a research collaboration with professors at leading university in Germany, Russia, UK, Korea, Malaysia etc. Published more than 50 research articles in various reputed journal, book and conference platform.