L1 users: 9,210 (2011 census), decreasing. Ethnic population: 6,810 (2011 census).
Kosi zone: Bhojpur district; Sankhuwasabha district, Matsayapokhari VDC, Ala, Hedangna, Karmarang, Num, Mangsimma, Peppuwa, Seduwa, Tungkhaling, Uling, Uwa, and Walung villages, in upper Arun valley eastern hills, extreme north Lorung area.
6b (Threatened). Language of recognized indigenous nationality: Rai.
Language passed on to children but being steadily replaced by Nepali (Toba et al 2005). Religion. Also use Nepali [npi], bilingually.
Devanagari script [Deva], used since 2011.
Traditional religion, Hindu.