Rahul Kumar had done his B.Sc., M.Sc., B.Ed., and Ph.D. in Environmental Sciences with specialization in Environmental Microbiology and Biotechnology. He is currently working as an Asst. Professor in the Department of Environmental Sciences, Hemvati Nandan Bahuguna Garhwal University (A Central University), Srinagar-Garhwal, Uttarakhand, India. His research and development work includes the assessment of water quality, environmental pollution, environmental sustainability and microbial diversity of the extreme environments (Extremophiles). He has published eight research papers along with seven communicated in various national and international journals. He is also a member of editorial and reviewers board for more than ten journals of International repute. He had attended and presented his ideas in various National and International Workshops/Seminars/ Conferences.