Gagan Matta, FMANU; FICER; FIAES; MRSC, London, Senior Assistant Professor, Hydrological Research Lab., Research Wing, Department of Zoology and Environmental Science, Gurukula Kangri Vishwavidyalaya (Deemed to be University), Haridwar - 249404, Uttarakhand, IndiaAnjali Nayak, M.Sc., Ph.D. (Environmental Science) from Gurukul Kangri University, Haridwar, Uttrakhand, India. Worked at the Patanjali Resaech Institute, Haridwar, as an assistant scientist. My major areas of research are water quality monitoring, groundwater and surface water quality, air quality, health risk assessment, industrial and heavy metal toxicity, and science communication. Dr. Anjali Nayak has Published 16 research articles and 3 book chapters in reputed Scopus indexing journals and also given oral presentations at national and international conferences.D. P. Uniyal has more than 28 years of Research and Extension Experience in the field of Biodiversity: Taxonomy & Ecology of the fish fauna of Northern India, Water Quality Monitoring, Remote Sensing & Geographic Information Studies Application, Innovation Promotion and Science Communication and Science and Society activities. Dr.Uniyal worked in the Zoological Survey of India (Government of India) for more than 10 years in various capacity and completed 14 major research projects . Dr Uniyal is currently serving as Joint Director at the Uttarakhand State Council for Science and Technology (Government of Uttarakhand), looking after Scientific Administration, implementation of Science related policy matter in the state, Science Popularization, Central Sponsored Scheme Division and National Academy of Science, India, Uttarakhand chapter. Dr.Uniyal completed 23 major Research and Extension activities Projects and Presently, handling 3 major research projects. He has published 58 research papers and 20 Popular Articles in International/ National Journals and Magazines, Conferences, Seminars and Symposia. Apart from authoring a book, Dr Uniyal has edited Eight books and has several scientific project reports to his credit. He has guided many master’s degree scholars and is currently guiding two Ph.D. research scholars. He has also delivered many invited lectures in various Institutions/Universities across the Country and Globe including Food & Agriculture Organization (FAO), Italy and at the University of Dresden, Germany. Dr. Uniyal is member of many prestigious scientific bodies including the National Academy of Sciences, India (M.N.A.Sc), Zoological Society of India (M.ZSI). He is an Expert Group Member in DST (Govt. of India), Uttarakhand Biodiversity Board, Uttarakhand Pollution Control Board, Uttarakhand Renewable Energy Development Agency, Uttarakhand Biotechnology Board etc. He is also a Board Member / Reviewer in various International and National Journals. Dr.Uniyal is the recipient of Young Scientist Award in State Science Congress, Youth Silver Medal by Minister of Youth Affair (GOI), Governor’s and Chief Minister’s appreciation for uplifting Science & Technology in Uttarakhand State etc.

• 1 Water: A necessity for survival2 Surface water3 Groundwater4 Groundwater: Water reserve for future5 Global Groundwater crisis6 Groundwater Contamination7 Himalayan Region8 Groundwater in Himalayan Region9 Current Status of Freshwater: Monitoring Assessment10 Sustainable Conservation11 Case Study Introduction12 Case Study Literature and Research Gap13 Case Study Materials and Methods14 Case Study Observations and Results15 Case Study Discussion16 Case Study ConclusionBibliography