Chhatarpal Singh is a President of Agro Environmental Development Society (AEDS), Majhra Ghat, Rampur, Uttar Pradesh, India. Dr. Singh is currently working in the field of Agricultural Microbiology; the research interest is agro-environmental development through innovative and scientific approaches. He has been published various scientific research and reviews papers, book chapter and magazine articles in the field of agricultural and environmental microbiology. He obtained his Ph.D. degree in Environmental Microbiology with the specialization of Agricultural Microbiology from Babasaheb Bhimrao Ambedkar University Lucknow, U.P., India. He has been honored by various State and National Organizations for his outstanding contribution in the field of Agricultural Microbiology. Dr. Singh has been organized various International Conference and Training Programmes. Shashank Tiwari obtained his M.Sc. and Ph.D. degree in Environmental Microbiology from Babasaheb Bhimrao Ambedkar University, Lucknow, India. Currently, Dr. Tiwari is working in the field of methanotrophs ecology (methane oxidizing bacteria), which is sole entity responsible for the oxidation of potent greenhouse gas CH4. He has also been involved to assess the soil microbial biomass and methanotrophs diversity across different land use changes and their impact on methane oxidation at Vindhyan plateau, India. He has been published research and review papers, book chapter and magazine articles in the field of agricultural and environmental microbiology in the journals and magazines of national and international repute. Jay Shankar Singh is presently working as a faculty member in the Department of Environmental Microbiology at Babasaheb Bhimrao Ambedkar University in Lucknow, India. Dr. Singh has contributed significantly to the subject of restoration ecology and natural resource management. He has published his research outputs in international journals with high impact factors on Scopus and other scientific databases. He is also actively serving as member of various scientific committees, holding editorial responsibilities for journals, such as Microbiology Research, PLoS ONE, etc. He has published several books from Springer and Elsevier, among others. Ajar Nath Yadav is an assistant professor in the Department of Biotechnology, Akal College of Agriculture, Eternal University, Baru Sahib, Himachal Pradesh, India. He has 4 years of teaching and 10 years of research experiences in the field of microbial biotechnology, microbial diversity and plant-microbe-interactions. He obtained his doctorate degree in Science (Microbial Biotechnology) in 2016, jointly from Indian Agricultural Research Institute, New Delhi and Birla Institute of Technology, Mesra, Ranchi, India. He has made pioneering contributions in the area of Microbial Biotechnology; Microbial Biodiversity; Microbial Ecology; Plant-Microbes Interaction; Agricultural Microbiology; and Environmental Microbiology. Dr. Yadav has 138 publications, which include 67 research/review articles, 17 books, 01 Laboratory manual, 53 book chapters, and 1 patent.