dialect

the usage or vocabulary that is characteristic of a specific group of people; "the immigrants spoke an odd dialect of English"; "he has a strong German accent"; "it has been said that a language is a dialect with an army and navy"

इन क्षेत्रों की उपभाषाएं निब्बती-बर्मी परिवार की है.

Hindi has at least 13 different dialects and is the most commonly spoken language in India.