Dr. Rajneesh Kumar is a researcher at the Indian Institute of Technology, Banaras Hindu University. He specialises on wastewater treatment, where he has made significant contributions, including the utilization of plant waste as biosorbents to remove chromium from water. His Ph.D. research focused on behavior of aerobic sludge in wastewater treatment plants exposed to various contaminants, leading to the development of detection systems for undesired pollutants. Previously, Dr. Kumar held positions as a Research Associate III at IIT Indore, where he conducted research under the guidance of Prof. Manish Kumar Goyal on water resource management. His work has been presented at international conferences, highlighting his commitment to advancing sustainable water management practices and environmental engineering.Dr. R. S. Singh is a distinguished professor in the Department of Chemical Engineering & Technology at IIT (BHU), Varanasi. Holding a Ph.D. from IIT (BHU) with a focus on the degradation of volatile organic compounds (VOCs) using supported film bioreactors, he has built an illustrious career in biodegradation, bioremediation, and environmental biotechnology. His professional journey includes roles such as GET at Tata Chemicals, Lecturer at BITS Pilani and BIET Jhansi, and various academic positions at IT BHU, culminating in his current role as Professor at IIT (BHU) since 2015. With an impressive H-index of 40, over 5,000 citations, and an i10 index of 90, Dr. Singh's research contributions are highly regarded. He has 19 years of total research experience, including 13 years post-doctoral, and has mentored numerous post-doctoral fellows, Ph.D. candidates, and M.Tech. students. His research primarily focuses on bioaugmentation, biofiltration, synthesis of biodiesel, and the application of biochar and petroleum-degrading consortia for wastewater treatment. Dr. Singh's work has significantly impacted the field of environmental engineering, providing sustainable solutions for pollution control and fostering future professionals and researchers.Dr. Maulin P. Shah is a researcher and scientific writer in his field for over 20 years. He received a B.Sc. degree in Microbiology from Gujarat University, Godhra (Gujarat), India. He also earned his Ph.D. degree in Environmental Microbiology from Sardar Patel University, Vallabh Vidyanagar (Gujarat) India. His research interests include Biological Wastewater Treatment, Environmental Microbiology, Biodegradation, Bioremediation, and Phytoremediation of Environmental Pollutants from Industrial Wastewaters. He has published more than 350 research publications in national and international journals of repute on various aspects of microbial biodegradation and bioremediation of environmental pollutants.