Linguist Suniti Kumar Chattopadhyay grouped these dialects into four large clusters – Rarh, Banga, Kamarupa and Varendra; but many alternative grouping schemes have also been proposed.
Lingvisten Suniti Kumar Chatterjee grupperade dessa dialekter i fyra stora grupper – radh, banga, kamarupa och varendra; men många alternativa grupperingsmodeller har också föreslagits.