Rajbanshi is an Eastern Indic language spoken in India, Bangladesh, and Nepal. Rajbanshi belongs to the Indo-European language family. According to a 1991 census, it was spoken by 3 million people. This language is a speech of Bengali language and written in Bengali alphabet.
This is the native language of people of Cooch Behar.
Other names of the language are Kamtapuri, Rajbangsi, Rajbansi, Rajbongshi, Tajpuri, Kamrupi, Deshi Bhasha.