Due to heavy rainfall in the area, slope wash and slope debris material get recharged and accumulated on the road.

An Interim Report on Preliminary  Geological  Slope Stability Assessment of the Recent Disaster Affected Areas in Parts of Chamoli District, Uttarakhand by Bhupendra Singh, Bhupender Singh, Ajay Kumar and Arindam Roy, Senior Geologists, M-IV, NR GSI Dehr
UK_CHA_NH_ 034
Nand Paryag
Diversion of surface run off,  boulder crate wall with deflection spurs, concrete retaining wall and breast wall with weep holes.
Unpreceedented rainfall and cloudburst caused flood in Alaknanda River,  bank erosion due to high flood and saturation of the slope debris.