The Puroik language, sometimes known as Sulung, is a language spoken by the Puroik people of Arunachal Pradesh in India and of Lhünzê County, Tibet, in China. Besides their own language, the Puroik also use Nishi, Hindi, and Assamese. Literacy is very low, at about 2%. Those who are literate use either the Bengali script, Devanagari or the Latin alphabet to write Puroik.