Dimasa is section of Kachari community.[1] It belongs to Boro-Garo language family. It is mother tongue to around 500,000 Dimasa population. Large section of Sanskritised Dimasa speak Assamese language e.g. Sonowal[2] Kachari, Thengal Kachari, Moran Kachari, Matak Kachari.
Dimasa is the oldest dynasty that ruled the Brahmaputra valley and its kingdom was known as KACHARI Kingdom. They believe their first seat at Kamarupa
Dimasa language is officially introduced as MIL subject in Dima Hasao district up to class 8 as the current batch (2022) reached up to class 8 alone. The 2023 batch will be studying class 9 Dimasa MIL. Books for Dimasa MIL is complete up to class 12 and Graduation level books are being prepared on fast track.
Demands and multiple memorandum have been placed to Assam govt for introduction of Dimasa medium at primary level in Barak valley by various Dimasa organisation in recent past.
According to Dimasa elders, They first established themselves at Kamarupa and hence the name 'Kamaruba(pa) :-the first settlement/ongoing settlement'. Brahmaputra too derives from Dimasa word "Di-Brom-Putra". ‘Dibrom’ in Dimasa means dreadful torrential sound of river currents and ‘Putra’ means silvery.[5]
1.Dimasa 2.Tiprasa 3.Koch (Rajbongshi)4.Chutia(Sutiya) 5.Boro 6.Garo 7.Sonowal 8.Thengal 9.Tiwa(Lalung) 10.Deori 11.Moran 12.Matak 13.Rabha 14.Saraniya 15.Barman 16.Solamia 17.Dadumia 18.Hajong 19.Madahi 20.Dhimal[6] Population = 20,000,000 approx.