Shivappa Nayaka(Kannada:ಶಿವಪ್ಪ ನಾಯಕ) (reigned 1645–1660), popularly known as Keladi Shivappa Nayaka, was a notable ruler of the Keladi Nayaka Kingdom. The Keladi Nayakas were successors of the Vijayanagara Empire in the coastal and Malnad (hill) districts of Karnataka, India, in the late 16th century. At their peak, the Nayakas built a niche kingdom comprising the coastal, hill and some interior districts (Bayaluseeme) of modern Karnataka, before succumbing to the Kingdom of Mysore ruled by Hyder Ali in 1763. He was known as Sistina Shivappa Nayaka because he introduced a tax system called Sist.
Read more about Shivappa Nayaka: Conquests, Administrator, Shivappanayaka's Sist (Sistu System)