A deep rotational soil slide occurred due to the adverse condition of slope forming material which is composed of thick in-situ soil cover intermixed with parent rock mass.Saturation of overburden and increase in pore pressure and loss of cohesion during
Nair,V,Athira., Jamir, I., 2022, Remote Sensing based Macro-scale (1:50,000) landslide susceptibility mapping in Toposheets82L/16, 82P/1,2,3,4,5,6 ; 83I/13,14 & 83M/01 covering  parts of West Siang East Siang, Upper Siang, Dibang Valley and Lower Dibang
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Damda-Debuk Slide 4
NH-13
i. Removal of slide materials from the affected slope ii. Proper maintainence of hill side drain
.Slope forming material is composed of loose unconsolidated soil ii. Loss of cohesion and saturation of overburden materials during rainfall events.