Dr. Gopal Krishan is currently Scientist-E, at National Institute of Hydrology, Roorkee and Ex-Researcher-Indo Gangetic Basin, Groundwater Resilience Project, British Geological Survey, United Kingdom. Dr. Gopal has been associated with BGS, UK since 2012. Dr. Gopal has over 20 years of research experience in many facets of hydrological evaluations, surface water and groundwater hydrology project management, and field investigations. Before joining NIH, he worked at IIRS-ISRO, Dehradun for 3 years in National Land Degradation, National Landuse/landcover and National Carbon Projects sponsored by Department of Space. Dr. Gopal received his PhD in Soil Science and Water Management from Dr. Y.S. Parmar University of Horticulture and Forestry, Solan, Himachal Pradesh in 2001. Dr. Gopal is a fellow member of Society of Earth Scientists (F/486), Life member of “Indian Association of Hydrologists (IAH-1878) and member of International Association of Hydro-geologists, Indian Society of Remote Sensing and American Water Resources Association (55384). Dr. Gopal has developed skills in hydrogeochemistry, isotope hydrology and water quality studies. The work was presented in several International and national forums in India as well as abroad. He has supervised 1 PhD; 6 post graduates (MTech/MSc); 1 CV Raman Fellow, 1 DAAD Fellow and presently, he is guiding 2 PhD students and 1 MTech student. Dr. Gopal has research expertise in applying isotope in air moisture studies for resolving sources of air moisture, monitoring south-west monsoon, identifying recharge sources, groundwater salinity, developed natural baseline for water quality, identifying zones for sub-marine groundwater discharge in coastal areas. He has published more than 150 research papers in international/national journals and conferences, 1 book, 12 book chapters, news letter and 10 reports. He has received many awards and honours