SFM comprising of highly weathered and fractured rock mass intermixed with soil. During rainfall the increase of hydrostatic pressure in the SFM due to oversaturation reduced the shear strength and resulted to slope failure.
Anicia K.S., Arvind Kumar Singh, 2022, Remote Sensing based Macro-scale (1:50,000) landslide susceptibility mapping in TS no. 82 P/12, 15, 16; 91 C/3, 4, 7, 8, 12; 91 D/1, 2, 3, 4, 5, 6, 8, 9 and 10 covering parts of Lower Dibang Valley, Lohit, Anjaw and
NIL
 From Roing 46.8 kms along NH-313 towards Mayudia Pass
 NH-313 (Roing-Anini road)
1. Removal of failed rock blocks on the road side and 2. Trimming of crown scar along its length.
The weak SFM comprising of highly weathered and fractured rock mass intermixed with soil. During rainfall the increase of hydrostatic pressure in the SFM due to oversaturation reduced the shear strength and resulted to slope failure.