Sino-Tibetan languages, Marmas, Assamese, Garo, Bangla
The official language is Bengali, also known as Bangla. It belongs to the Indo-Iranian branch of the Indo-European language family and is, along with Assamese, the most eastern of these languages. Its script is derived from the Devanagari script of Sanskrit. The cultural and national identity of ethnic Bengalis is closely associated with their language. Bengali has two distinct variants—a formal written form that developed during the 16th century, and a more casual spoken form that became an accepted literary form in the 20th century.
Although the vast majority of Bangladeshis speak Bengali, other languages are spoken in the country as well. Urdu, an Indo-Iranian language, is spoken by the Biharis; Sino-Tibetan languages are spoken by the Garo and Santal peoples, among others; and Tibeto-Burman languages are spoken by the Chakmas, Marmas, and Tripuras in the Chittagong Hill Tracts District. English is widely used in higher education and government.
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