Vishnuvardhana (r. 1108–1152 CE) was a king of the Hoysala Empire in what is today the modern state of Karnataka, India. He ascended the Hoysala throne after the death of his elder brother Veera Ballala I in c.1108. Originally a follower of Jainism and known as Bitti Deva, he came under the influence of the Hindu philosopher Ramanujacharya, converted to Hindu Vaishnavism and took the name "Vishnuvardhana". His queen Shanthala however remained a Jain. This was the transition period from Jainism to Hinduism Vishnuvardhana took the first steps in creating an independent Hoysala Empire in South India through a series of battles against his overlord, the Western Chalukya King Vikramaditya VI, and the Chola Empire to the south. He recovered parts of Gangavadi province (modern southern Karnataka)