Krishnadevaraya (IAST Kแนแนฃแนa Deva Rฤya) was the emperor of the Vijayanagara Empire from 1509 to 1530. He was the third ruler of the Tuluva Dynasty. Presiding over the empire at its zenith, he is regarded as an icon by many Indians. Krishna Deva Raya earned the titles Kannada Rajya Rama Ramana (lit, "Lord of the Kannada empire"), Andhra Bhoja and Mooru Rayara Ganda (lit, "King of three Kings"). He became the dominant ruler of the peninsula of India by defeating the Sultans of Bijapur, Golconda, the Bahmani Sultanate and the Raja of Odisha. The great south Indian mathematician Nilakantha Somayaji...