220 (2001 census), decreasing. 150 monolinguals. Ethnic population: 10,000.
Koshi Zone; east Bhojpur district, Thulo Dungma, Sano Dungma, and Bastim VDCs, east border is Arun river.
6b (Threatened). Language of recognized nationality (2002, NFDIN Act, No. 20, Section 2C), Rai nationality.
SOV; postpositions; noun head final; content q-word in situ; 1 prefix; clause constituents indicated by case-marking; verbal affixation marks person and gender; split ergativity; tense; no passives or voice; tonal; 18 consonant and 6 vowel phonemes
Home, religion. Mixed use: Friends, work. Young adults and older. Some use among children and adolescents. Many also use Bantawa [bap].
Local names which may not be dialects: Chhinamkhang, Chhichhangchha, Hangbang, Khandung, Pungwai, Roktulung, Tuncha, Waitpang. Traditional religion.