Salasthamba Dynasty was a dominant power in Assam during the ancient times. This dynasty came into power around AD 650 following the decline of the Varman dynasty. During their rule over the region, the Salasthamba kings built numerous temples and structures. The most famous of these is the Sri Mahabhairab Mandir in Tezpur.

The Salasthamba Dynasty was succeeded by the Pala dynasty around AD 990. The reign of the Pala Dynasty continued till AD 1138.