Explanation:

Harihara and Bukka is the founder the Vijayanagar City in 1336 A.D. on the southern banks of Tungabhadra They made Hampi as the capital city. They served under Vira Ballala III, the Hoysala King Vijayanagar Empire was ruled by four important dynasties and they are: Sangama Saluva Tuluva Aravidu Harihara I In 1336 A.D. Harihara I became the ruler of Sangama Dynasty He captured Mysore and Madurai. In 1356 A.D. Bukka-I succeeded him Krishnadeva Raya (1509-1529 A.D.) Krishnadeva Raya of the Tuluva dynasty was the most famous king of the Vijayanagar Empire According to Domingo Paes a Portuguese traveller “Krishnadeva Raya was the most feared and perfect king there could possibly be”. Krishnadeva Raya‘s Conquests He conquered Sivasamudram in 1510A.D and Raichur in 1512A.D In 1523 A.D. he captured Orissa and Warangal His empire extended from the river Krishna in the north to River Cauvery in the south; Arabian Sea in the west to Bay of Bengal in the east His Contributions An able administrator. He built large tanks and canals for irrigation. He developed the naval power understanding the vital role of overseas trade. He maintained friendly relationship with the Portuguese and Arab traders. He increased the revenue of his government. He patronized art and architecture. It was during his period the Vijayanagar Empire reached its zenith of glory. Krishnadeva Raya was a great schola