fˈɑːloʊɪŋ pəlˈɪɾɪkəl pɹˈɑːbləmz ɪnðɪ ˈeɪtiːnθ sˈɛntʃɚɹi, ðə dɪmˈɑːsɚ ɹˈuːlɚ mˈuːvd fˈɜːðɚ sˈaʊθ ɪnðə plˈeɪnz ʌv kˈætʃɑːɹ ænd ðɛɹ tˈʊk plˈeɪs ɐ dᵻvˈɪʒən ɐmˌʌŋ ðˌɛm wɪððə hˈɪlz dɪmˈɑːsə meɪntˈeɪnɪŋ ðɛɹ tɹɐdˈɪʃənəl lˈɪvɪŋ ænd pəlˈɪɾɪkəl ɛksklˈuːsɪvnəs, ðə plˈeɪnz dɪmˈɑːsəz hæv mˌeɪd nˈoʊ ɐtˈɛmpt tʊ ɐsˈɜːt ðɛmsˈɛlvz.
Following political problems in the 18th century, the Dimasa ruler moved further south in the plains of Cachar and there took place a division among them–with the hills Dimasa maintaining their traditional living and political exclusiveness, the plains Dimasas have made no attempt to assert themselves.