Pardeep Singh, PhD is Assistant Professor at the Department of Environmental Studies, PGDAV College at the University of Delhi in New Delhi, India. He obtained his doctorate from the Indian Institute of Technology, Banaras Hindu University in Varanasi, India. Rishikesh Singh, PhD received his doctorate from Banaras Hindu University. His research focus is on the management and conservation of polluted sites. Vipin Kumar Singh, PhD is CSIR Research Associate in the Department of Botany, Centre of Advanced Study at the Banaras Hindu University. He received his PhD in Botany from the Banaras Hindu University. Rahul Bhadouria, PhD is a Post-Doctoral fellow at Department of Botany, University of Delhi. He received his doctorate in Environmental Science from Banaras Hindu University, Varanasi, India.