Under the rule of the Vijayanagar empire, irrigation became prominent. The development of irrigation took place mainly during the rule of Deva Raya I. New tanks were built and dams were constructed across the river Tungabhadra.
The Tiruvengalanatha temple was built at Vijayanagara during the reign of the king Achyuta Deva Raya. Tiruvengalanatha temple is now popularly known as the Achyutaraya temple on the name of this king.