Highly weathered and jointed rock mass coupled with steep slope and prolonged rain water percolation leads to saturation of rock mass and fracture planes causing weathering and widening of joints resulting in 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 Hunli 48.5 kms along NH-313 towards Anini
 NH-313 (Roing-Anini road)
1. Removal of slided material form road and slope surface occurring at critical angle. 2. Removal of protruding and loose rock fragments form crown scar. 3. Construction of retaining wall for toe support. 4. Provision of hill side road drains.
1. Steep slope cut for road construction. 2. Highly jointed and fractured chlorite schist. 3. Saturation of rock mass and fracture planes leads to weathering and widening of joints resulting in failure.