The rock slide is due to extensive slope cut along the two prominent joint, are forming a wedge. As well as the percolation of water along joints further leads to the widening and resulted the detachment of blocks along the weak planes.
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 Khupa/ KVK Anjaw 8.1 kms along HMH road towards Hunli
Hunli-Metengliang-Hayuliang (HMH) road
1.Clearing of loose debris material and protruded fragments of rock from the slope face.  2. Construction of retaining structure.
Extensive slope cut for road construction along with wedge failure