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; Navrangpura 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