[1] Wadia Inst Himalayan Geol, Ctr Glaciol, Dehra Dun 248001, India
[2] Kurukshetra Univ, Dept Geophys, Kurukshetra 136119, Haryana, India
[3] Minist Earth Sci, Natl Ctr Antarctic & Ocean Res, Vasco Da Gama 403804, Goa, India
[4] Wadia Inst Himalayan Geol, Dehra Dun 248001, India
[5] Indian Inst Technol, Dept Geol & Geophys, Kharagpur 721302, W Bengal, India