Dr. Nand Kishor Gour is currently working as Research Associate at Department of Chemical Sciences, Tezpur University, Assam. He had done his Ph.D in Computational Chemistry from Gorakhpur University, Uttar Pradesh. His main research field is atmospheric degradation of volatile organic compounds (VOCs) initiated by various oxidants using quantum chemical study. From this study, he provides global warming potentials of VOCs and also identifies the various end products which may be harmful for the environment and human health.