The release of water from the Chungthang dam led to a sudden increase in water levels up to 15-20 feet high downstream, defence spokesperson Lt Col Mahendra Rawat said.
The yatra is going through the old route as the new route has not yet been opened.
This is the third such incident related to targeting of an Indian in that country in the last four months.
Here's the full text of President's Ram Nath Kovind's address to the joint sitting of both houses of Parliament on the first of Budget Session 2022.