Vasudeva killed the last Shunga ruler and established Kanva dynasty. Bana's Harshacharita informs us that he came to power after the death of Devabhuti by a daughter of his slave woman disguised as his queen.
According to Bana's Harshacharita, Vasudeva succeeded in establishing the Kanva dynasty by eliminating the last Shunga ruler. The text also indicates that this occurred after Devabhuti's death, with Vasudeva using a trick involving his slave woman posing as queen.