Dr. Inderjeet Tyagi is working as a Scientist at ZSI, Ministry of Environment Forest and Climate Change, Kolkata, India. To his expertise, Dr. Tyagi is working in the field of Wastewater treatment, Water Quality, Environmental Metagenomics, and Environmental Management for the past several years. To his credit, Dr. Tyagi had published 120+ SCI papers with Citation~8600 and an h-index of 51 with a cumulative impact factor >550. More to this, he is leading Five (5) national and international projects related to wastewater and water quality assessment in heavily polluted areas in India. Further, he is also on the reviewer panel of more than 40 international journals belonging to well-known publishers like Elsevier, Nature, Springer Nature, Taylor Francis, ACS, etc. Recently, he was awarded the "India Prime Education Quality Award 2021 for his outstanding contribution to the field of wastewater treatment and Environmental Management. He is a lifetime member of the Indian Science Congress Association (ISCA) and a Member of the International Society of Wetland Scientists (International Chapter). He is the Editor of One Elsevier edited book entitled "Sustainable Materials for Sensing and Remediation of Noxious PollutantsDr. Vikas Kumar is working as Division In-charge and Scientist E, in Molecular Systematics Division at Zoological Survey of India. Owing to his expertise, he has more than twenty-four years of research experience on areas such as Environmental Metagenomics, Molecular Phylogenetics comparative Mitogenomics and gut microbiome. He has published more than 150 SCI articles in journals of international reputation, such as Science of the Total Environment, Environmental Science and Pollution Research, Saudi Journal of Biological Sciences, Molecular biology Reports, Scientific reports (Nature Publishing group), PLosOne, PeerJ. His work is widely recognized across the globe by well-known researchers. Dr. Kumar is interested in the environmental metagenomics of heavily polluted stretches with relation to the noxious pollutants especially for polluted wetlands, paper industries, and riverine ecosystems. He has been on the editorial board of different journals and has served as a reviewer for more than fifty journals in the field.