Sharchopkh (also called Tshangla) is a Tibetic language of the Tibeto-Burman language family spoken in the eastern parts of Bhutan. The Tibeto-Burman linguistic subfamily of the proposed Sino-Tibetan language family is spoken in various central and south Asian countries: Myanmar (the Burmese language as well as the languages of minorities like the Karens and Kachins), Tibet (Tibetan language), northern Thailand (Lahu, Lisu, Akha languages), southern China, Nepal, Bhutan...
Tshangla is spoken in western Arunachal, near the border of Bhutan.
The same language, sometimes known as "Sharchopkha", is the predominant language of the neighboring region of southeastern Bhutan.
In China the language is known as "Cangluo Menba" or "Motuo Menba", and in Arunachal it is often referred to as "Central Monpa" "Monpa", however, is derived from the Tibetan word for "non-Tibetan" and it has been used in so many ways as to risk losing clear reference.