The debris slide triggered due to slope cut for road construction, weak slope forming material and saturation of slope forming material due to rainfall leading to increase of pore water pressure and loss of cohesion.
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 11.1 km along HMH road
Hunli-Metengliang-Hayuliang (HMH) road
1. Removal of slided material from road and slope face. 2. Trimming of slope face and crown scar. 3. Provision of hill side drainage. 4. Construction of retaining wall with sufficient weep holes for toe support.
1. Slope cut for road construction. 2. Weak SFM comprising of highly weathered, friable and fractured chlorite schist intermixed with soil. 3. Oversaturation of fragile SFM leading to increase of pore water pressure and loss of cohesion during rainfall.