Surajpuri language

Surjapuri, a language possessing similarities with Bengali and Maithili, is mainly spoken in the Seemanchal subregion (Kishanganj, Katihar, Purnia, Araria districts) of Mithila region of Bihar (Kishanganj, Katihar, Purnia, Araria districts). Apart from Bihar, it is also spoken in West Bengal (Uttar Dinajpur and Dakshin Dinajpur districts, and in Siliguri city of Darjeeling district – part of the North Bengal region within Jalpaiguri division), as well as in parts of eastern Nepal. It is one of the lesser known languages of Bengali/Maithili descent spoken in eastern India comprising today's West Bengal, the lower part of Assam (The Barak valley), and Bangladesh. It is related to Rangpuri, one of the major Bangla or Bengali languages; the Kochrajbongshi language in Assam.