Prof. Makarand M. Ghangrekar is Director of National Institute of Technology Puducherry & Professor in Department of Civil Engineering, IIT Kharagpur, India and Fellow INAE and NASI, Member European Academy of Sciences and Arts. He has been working in the field of anaerobic wastewater treatment, bioenergy recovery during wastewater treatment using microbial fuel cell and bio-electrochemical systems and his research group stands among the top two research labs in the world in terms of scientific publications. He has provided design of industrial wastewater and sewage treatment plants in India and abroad. He has guided 36 Ph.D. Research Scholars and has contributed 342 research papers in journals of international repute, and contributed 102 book chapters. He has authored a book `Wastewater to Water' published by Springer and three edited books published by Wiley VCH.Dr. Sivakumar Ramalingam is Head of Dept. of Civil Engineering, National Institute of Technology Puducherry. He has executed research/consultancy projects in water science, and has got experience in planning, formulating, organizing, executing, and management of academic programs. Dr. Sivakumar has guided an appreciable number M. Tech. and Ph.D. students. He has published his research papers in the journals of international repute. Also, he has been a member of the organizing committee of international conferences.Prof. Shalini Yadav is a professor in the Dept. of Civil Engineering and Head of the Centre of Excellence in Advanced Water and Environmental Research, Rabindranath Tagore University, Bhopal, India. Her research interests include solid and hazardous waste management, construction management, environmental quality, wastewater treatment, and water resources management. She has executed a variety of research/consultancy projects in environment and water sciences. She has guided an appreciable number M. Tech. and Ph.D. students. She has published more than 100 journal articles and technical reports. She has been a member of the scientific committee of several conferences and reviewer in several international journals.Prof. Ram Narayan Yadava is Advisor for Research & International Affairs at Mansarovar Global University, India. He has served as founding Vice Chancellor of AISECT University and has been instrumental in the establishment of Advanced Materials and Processes Research Institute (AMPRI) under CSIR, India. His expertise spans hydrologic modeling, environmental quality, water resources, and R&D management. Prof. Yadava has led multiple research projects in water resources, environment, remote sensing, mathematical modeling, and technology forecasting. He has published over 100 journal articles, four textbooks, and 16 edited reference books. Recognized for his contributions to water and environmental sciences, he has delivered invited lectures across numerous international institutions. He is also President of the Intellectual’s Association of Water, Environment, Energy, and Society.Professor Vijay P. Singh is a distinguished professor, a regents professor, and the inaugural holder of the Caroline and William N. Lehrer Distinguished Chair in Water Engineering at Texas A&M University, USA. He received his B.Sc. and Tech., M.S., Ph.D., and D.Sc. degrees, all in engineering. He is a member of National Academy of Engineering (NAE), a member of Canadian Academy of Engineering, an Academician of Georgian Academy of Ecological Sciences, a member of European Academy of Sciences and Arts, and a member of 11 other international engineering academies. He is a distinguished member of ASCE, an honorary distinguished member of IWRA, a distinguished fellow of AGGS, and an honorary member of AWRA, a fellow of IAHR, and a fellow of AGU, EWRI, and ASCE. He has published 1720 journal articles, 45 textbooks, 110 edited books, and 130 book chapters.