Indian researchers from which institute have reported for the first time in the change of the main course of the Himalayan glacier after studying an unnamed glacier in the upper Kali Ganga valley, Pithoragarh, Uttarakhand?
1
Himalayan Forest Research Institute
2
Wadia Institute of Himalayan Geology
3
Agharkar Research Institute
4
G.B. Pant 'National Institute of Himalayan Environment