Kamrupi, a dialect of Assamese was the first ancient Aryan literary language spoken in Brahmaputra valley and North Bengal, developed primarily in the Kamrup and North Bengal. It is one of two western dialect groups of the Assamese language, the other being Goalpariya.The Kamrupi is heterogeneous with four dialects: Barpetiya, Nalbariya, Kamrupi and South Kamrupi.