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’s degree from the Department of Environmental Science Banaras Hindu University, Varanasi, India. He obtained his doctorate from Indian Institute of Technology (Banaras Hindu University) Varanasi. The area of his doctoral research is the degradation of organic pollutants through various indigenous isolated microbes and by using various types of photocatalytic. He has published more than 65 papers in international journals in the field of waste management and edited more than 45 books. Pramit Verma did his PhD from the Integrative Ecology Laboratory (IEL), Institute of Environment and Sustainable Development, Banaras Hindu University, Varanasi. He has also completed his post-doctorate from the Nicolaus Copernicus University in Torun, Poland. He has published several research articles and a technical report while participating in various national and international conferences, workshops and seminars. He is currently working on urban sustainability policies and energy efficiency.Dr Ravindra Pratap Singh is currently working as Chief Engineer, Central Public Works Department (CPWD), Govt. of India, with over 25 years of experience in the field of Public Procurement, Project Management, monitoring /implementation of environmental and social safeguards, urban planning, solid waste management, wastewater treatment etc. Ravindra has a special interest in Sustainable Development, especially in sustainable construction. He worked with World Bank on Highway Projects in India and worked with JICA on Japanese Govt. grant aide project at Varanasi. As an expert and member of the heritage conservation committee on the river Ganga, he was associated with the conservation of the river in Varanasi. Along with the engineering profession, he has a keen interest inthe field of academics also. He completed Graduation in the field of Civil Engineering in the year 1989 from Kamla Nehru Institute of Technology, Post Graduation in Civil Engineering (specialisation in structure engineering) from IIT (BHU) in the academic year 1991-1993 and PhD from the Institute of Environment and Sustainable Development, Banaras Hindu University, Varanasi India.