As per the local (Singtam taxi association) a landslide was triggered at Sirwani on 24 August 2014 on Singtam-Mangan road. Due to the landslide, connectivity was affected between Singtam and Mangkha. A field investigation was carried out on 26 August 201
Megotsohe, C., et al., 2014. Updation of existing landslide inventory of North Eastern Region. GSI, RHQ, NER, Shillong,  Item Code: SER/NER/RHQ/2014/037; Unpub. GSI Report of FS 2014-2015
Sirwani Landslide
Sirwani (On Singtam-Mangkha road )
Reduction of strength on supersaturation,improper retaining wall and toe erosion by river.