L1 users: 20 (2015 SIL), decreasing.
Sagarmatha zone: south Khotang district, Chyasmitar VDC, on Halesi Range last ridge, on Sunkosi river bank.
8a (Moribund). Language of recognized indigenous nationality: Rai.
Choskule, Dorunkecha. Choskule and Dorungkecha dialects may be related languages.
Mixed use: Religion. Elderly. Some use among young and older adults.
Devanagari script [Deva], used since 2014.
Geographically isolated community. Traditional religion, Hindu.