Bhismaknagar - Credit: Wikimedia Commons
Bhismaknagar is an archeological site in Indian state of Arunachal Pradesh. It is located near Roing in Lower Dibang Valley district. The remains are generally ascribed to the rule of the Sutiyas, a Bodo-Kachari (Tibeto-Burmese) ethnic groupThe Sutiyas belong to the Bodos, a linguistic group of the Brahmaputra valley, speaking a Tibeto-Burman language and having different cognate groups within them. who ruled over the region of Sadiya from 11th to 16th Century CE.http://asiguwahaticircle.gov.in/bhismaknagar.html Remains at Bhismaknagar (ASI official website), "The remains are generally ascribed to he rule of the 'Chutias', a Tibeto-Burmese tribe who ruled over the region of Sadiya from 11th to 16th Century CE." Read more on Wikipedia
Source: en.wikipedia.org