Banabhatta's Harshacharita mentions the king of Kamarupa (ancient Assam) as Bhaskaravarman. An envoy from Bhaskaravarman, named Hamsavega, visited Harshavardhana's court with lavish gifts. This visit aimed at forming an alliance between Harshavardhana and Bhaskaravarman against their common enemy, Shashanka, the ruler of Gauda. Bhaskaravarman was a prominent ruler of the Varman dynasty of Kamarupa in the 7th century CE, contemporary to Harshavardhana.