1,830 (2000 USCWM). No monolinguals.
Uttarakhand, Pithoragarh district, Darchula and Munsyari tahsils, Chaudangs Patti, Kali river west bank facing the Nepal border along Mahakali valley. Villages include Panggu, Rongto, Rimzhim, Waiku, Monggong, Chilla, Song, Sosa, Sirdang, Sirkha, Rung, Zipti, Gala, Tangkul, and Syang Khola.
Ranglo or Rang often used as a cover term for Byangs, Chaudangs, Darmiya, and Rongpo. Hindu, traditional religion.