580 (2011 census), decreasing. No monolinguals.
Bheri zone: Surkhet district along Bheri river; Bardia district, Daulatpur VDC, Murgawagaon; Mahakali zone: along Mahakali river; Kanchanpur district, Bhimadatta VDC, Bhimdatta, Odaligaon; Seti zone: Kailali district, along Karnali river.
SOV; postpositions; noun head final; content q-word in situ; clause constituents indicated by case-marking; verbal affixation marks number; split ergativity; passives and voice; nontonal.
Home; mixed use: Friends, religion, work. Young adults and older. Some use among children and adolescents.
’Sonha’ is an occupational caste (gold panners). Hindu, Christian, traditional religion.