Correct option is A
Krishna Deva Raya, one of the most famous rulers of the Vijayanagara Empire, took the title "establisher of the Yavana kingdom".
Krishna Deva Raya ruled from 1509 to 1529 and is widely regarded as one of the greatest rulers of the Vijayanagara Empire.
His reign marked the peak of the empire's power, with victories against the Bahmani Sultanate and the Deccan Sultanates.
He was also a great patron of the arts and literature, and his reign saw the flourishing of Telugu literature.
The title "establisher of the Yavana kingdom" highlights his military prowess in dealing with external threats, including those from the Muslim Sultanates.