Proper noun
Kamarupa
(historical) An early state on the Indian subcontinent, centred in Assam, prevailing from 350 CE to 1140 CE.
He managed to make Kamarupa and Trihut pay tribute to him. Source: Internet
Although there has been speculation that it was under the Kamarupa Kingdom or the Tibetan Empire in the 7th to 9th centuries, firm evidence is lacking. Source: Internet