The slope forming material is predominantly composed of fractured parent rockmass intermixed with soil. Rainfall resulted in oversaturation of fragile overburden material, increase of pore water pressure and loss of cohesion.
Nair,V,Athira., Jamir, I., 2022, Remote Sensing based Macro-scale (1:50,000) landslide susceptibility mapping in Toposheets82L/16, 82P/1,2,3,4,5,6 ; 83I/13,14 & 83M/01 covering  parts of West Siang East Siang, Upper Siang, Dibang Valley and Lower Dibang
NA
Pasighat-Yingkiong road Slide 19
NH-513
iii. Construction of hill side drains"
Slope material is predominantly composed of rockmass overlain by thin column of in-situ soil ,Illplanned modification of slope