The debris slide triggered due to weak SFM comprising of highly weathered, friable and fractured chlorite schist intermixed with soil which gets over saturation 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 km along HMH road
Hunli-Metengliang-Hayuliang (HMH) road
1. Removal of slided material from road. 2. Removal of rock fragments at critical angle in crown portion.  3. Provision of hill side drainage. 4. Construction of retaining wall with sufficient weep holes for toe support.
1. SFM comprising of highly weathered, friable and fractured chlorite schist intermixed with soil. 2. Rill erosion on the slope face. 3. Oversaturation of fragile SFM during rainfall leading to increase of pore water pressure and loss of cohesion.