This landslide was result of continuous rainfall on loose material on a steep natural slope. The construction of a road in such material was also a contributing factor for the landslide. 

An interim report on Preliminary slope stability assessment of recent disaster affected areas of Pithoragarh District, Uttarakhand by A Bishwapriya, Suptg. Geologist, M V Dhakate and P K Gajbaiye, Sr Geologist, M IV, NR,Dehradun (LHZ/NR/UPUK/2013/056)
Active slide and presently road to Milam is blocked because of the slide.
UK/Pith/ Munsyari-Milam/LS/0015
State Highway
Re-grading of slopes to mild angle, suitably designed retaining walls with weep holes on either side of road and grass plantation on loose material
Major geological causes for this landslide are presence of loose/weak material, development of pore water pressure, reduction of shear strength of material due to saturation by surface and subsurface water, gully erosion during rainy season and toe cutti