India, Aug. 7 -- The National Remote Sensing Centre's post-flash flood satellite images of the upper reaches of Uttarakhand indicate the accumulation of debris in and around Dharali, the disappearance of buildings, roads, and plantations, and sediments and debris covering a stretch of Bhagirathi and Kheer Ganga rivers. A bridge and what appear to be orchards are also inundated.

Experts from the National Disaster Management Authority (NDMA) have said they were examining the possibility that a glacier collapse upstream of the channel feeding the Kheer Ganga triggered the floods.

Anil Kulkarni, a distinguished visiting scientist at the Indian Institute of Science's Divecha Center for Climate Change, said past satellite images have helped u...