The study area is lithologically weak which comprises of thick section of overburden material. Main causative factor includes cutting of slope for construction of NH-54 which runs below this road section removed the toe support and disturbed the angle of
Chasie M. &  Theophilus P.K., 2017: Updation of existing landslide inventory of North Eastern region based on the new incidences as and when occurs during the period, Unpubl. GSI progress report for FS 2016-54
This area falls within the Hewangberam sinking zone. Initiated during May, 2016
Heuwangaberam-2
Heuwangaberam village, Mahur
1. Construction of drainage ditches (lined hillside drain) along the road.
2. Multi-tier retaining wall may be constructed at the toe of the slope and below the road bench.
3. Proper maintenance of culverts.
4. Road may be widened towards the upslope sid
1. Cutting of slope for construction of NH-54 which runs below this road section removed the toe support.
2. Weak slope forming material developed local hydrostatic pore pressure due to incessant rainfall rendering the weak slope to lose its shear streng