L1 users: 6,690 (2011 census), decreasing.
Sagarmatha zone: south Khotang district, Chisapani, Devisthan, Diplung, Mauwabote, and Pauwasera VDCs; Udayapur district, Beltar, and Saunechour VDCs; Ruwa Khola valley to Buwa Khola across the Dudh Koshi southward.
6b (Threatened). Language of recognized indigenous nationality: Rai.
SOV; postpositions; noun head final; content q-word in situ; clause constituents indicated by both case-marking and word order; verbal affixation marks person and number; ergativity; tense and aspect; no passive or voice, but antipassive is a remarkable feature; nontonal.
Devanagari script [Deva].
Traditional religion, Christian, Hindu.