Vinod Kumar is Assistant Professor in the Department of Botany and Environmental Studies at DAV University. Dr. Kumar has more than 70 research articles to his credit. He completed his Ph.D. from Guru Nanak Dev University. His area of interest is assessment of soil, water and sediment pollution, remote sensing, phyto-sociology, system modeling, and multivariate statistical techniques. Currently working as Assistant Professor in Civil Engineering Department, Shoolini University, Solan-173229, Himachal Pradesh, India. Dr. Sihag has more than 65 research articles in his credit. He completed his Ph.D. from National Institute of Technology, Kurukshetra -136119.