Answer: Option [C]The capital of the Salastambha dynasty located at Harupeswar. The Mlechchha dynasty (c. 650 - 900) ruled Kamarupa from their capital at Harruppesvar in present-day Tezpur, Assam, after the fall of the Varman dynasty. According to historical records, there were twenty one rulers in this dynasty, but the line is obscure and names of some intervening rulers are not known.