Currently an Associate Professor at Pandit Deendayal Energy University (PDEU) and heading the Department of Solar Energy. Obtained his doctoral degree in the field of experimental condensed matter physics from Indian Institute of Technology, Kharagpur (India) in 2003. Earlier post-doctoral researcher with Department of Atomic Energy (India) and Lecturer at Birla Institute of Technology, Mesra. Was visiting professor at Nagoya Institute of Technology, Japan during 2015-16. Current research is focused on the development of commercially viable materials and devices for photovoltaic and green hydrogen generation. Principal investigator of various funded research projects from DRDO, DST and MNRE (Govt. of India); published more than 95 papers in SCI indexed journals and has four Indian patents filed from PDEU.