Dr. Sughosh Madhav is working as Assistant professor in Shaheed Bhagat Singh College, University of Delhi. He obtained his master’s degree from Department of Environmental Science Banaras Hindu University, Varanasi India. He earned his doctorate from Jawaharlal Nehru University, New Delhi India. The area of his doctoral research was the environmental impact of textile effluents on groundwater and soil quality. He has published various research papers and book chapters in the field of environmental geochemistry, water pollution and wastewater remediation.  Dr. Sadaf Nazneen is a PhD in Coastal Biogeochemistry from School of Environmental Sciences, Jawaharlal Nehru University, New Delhi. Currently, she is Dr. D. S. Kothari Postdoctoral fellow at Department of Civil Engineering, Jamia Millia Islamia. Her area of research is Biogeochemistry and Ecology of coastal ecosystems. For her PhD, she worked on Chilika Lagoon, Asia's largest lagoon and a Ramsar Site. She has published several international papers, book chapters and conference papers. Dr. Pardeep Singh is presently working as Assistant professor (Department of Environmental Studies, PGDAV College, University of Delhi New Delhi India). He obtained his master degree from Department of Environmental Science Banaras Hindu University, Varanasi India. He received his doctorate from Indian Institute of Technology (Banaras Hindu University) Varanasi.  He has published more than 75 research/ review articles in international journals in the fields of waste and wastewater management. He has edited more than 25 books with various international publishers like Elsevier, Springer, CRC, Wiley.