Affiliation: | 1. National University of Singapore, Geography Department, Singapore;2. Institute of Water Policy in the Lee Kuan Yew School of Public Policy, National University of Singapore, Singapore;3. Department of Geology, HNB Garhwal University, Srinagar Garhwal, Uttarakhand, India;4. Physical Research Laboratory, Ahmedabad, India;5. Department of Ancient History and Archaeology, HNB Garhwal University, Srinagar‐Garhwal, Uttarakhand, India;6. Wadia Institute of Himalayan Geology, Dehra Dun, Uttarakand, India |