Rock slided due to wedge failure. The interaction two sets of joints with bedding plan made the wedge failure and the siltstone beds of Disang Group is dipping towards valley side.
Ramesh Guguloth, Neethu Alpho Joseph, 2022, Remote Sensing based Macro-scale (1:50,000) landslide susceptibility mapping in Toposheets 83M/4, 8,12,15,16; 83N/01, 2, 5, 6, 9,13; 92A/03, 4, 6, 7, 11,14,15,16; 92E/02, 3 & 4 covering  parts of Tirap, Changan
NIL
800 m W of Lainwang
Khonsa-Changlang road, NH-215
1. Removal of failed rock blocks / fragments on the road side 2. Scaling of loose rock and trimming of crown scar overlying soil from the crown portion. 3. Provision of lined hill side dran.
Thinly bedded and jointed nature of siltstone with bedding dipping towards valley leading to planer failure of the slope