Manish Srivastava is currently working as SERB-Research Scientist in the Department of Chemical Engineering and Technology IIT (BHU), Varanasi, India. He has worked as DST INSPIRE faculty in the Department of Physics and Astrophysics, University of Delhi, India. He has published over 50 research articles in peer-reviewed journals, edited 10 books for publishers of international renown, authored several book chapters, and filed one patent. He received his PhD in Physics from the Motilal Nehru National Institute of Technology, Allahabad, India. Presently, he is working on the synthesis of graphene-based metal oxide hybrids and their applications as catalysts. His areas of interest are synthesis of nanostsructured materials and their applications as catalyst for the development of electrode materials in energy storage, biosensors, and biofuels production.Dr. Neha Srivastava has received PhD in Biotechnology from Department of Molecular and Cellular Engineering, SHIATS, India in the area of bioenergy. She is working as Research Scientist Department of Chemical Engineering and Technology, IIT (BHU) Varanasi, India. She has published more than 37 research articles in the in peer reviewed journals of SCI impact factor and have filed 03 patents, 1 technology transfer and 14 published books & two book series of international renowned publisher. She is working on bioprocess technology and biofuels production (Microbial screening and enzymes; production and enhancement, biohydrogen production from waste biomass, bioethanol production). Dr. Rajeev Singh, Head, Department of Environmental Studies, Satyawati College, University of Delhi. He is working in the area of Environmental and Reproductive health. He is founder secretary of Bio electromagnetic Society of India. Dr. Singh is recipient of Young Scientist Award of Federation of European Microbiological Societies (FEMS), Gold Medal for best oral presentation etc. Dr. Singh is member of Faculty of Science, Delhi University, Expert, Board of Studies, Amity Institute of Environmental Science. Dr. Singh has participated in several national and international conferences and delivered invited lectures. He has published more than 60 research papers, chapters in books, conference proceedings of international repute.