Highlight the contribution of Krishnadeva Raya in the expansion of Vijaynagar Empire.
Krishnadeva Raya was the greatest ruler of Vijayanagar. As a brave warrior, he was always successful in wars which were waged during his reign. He subdued several feudatories in the central province of his empire. He expanded and consolidated the Vijayanagar Empire. He expanded his control over the fertile Raichur Doab lying between Rivers Tungabhadra and Krishna. The rulers of Odisha were subdued in 1514, and the Sultan of Bijapur was defeated in 1520. Because the kingdom of Vijayanagara was surrounded by hostile neighbours, its armies were always ready for war.