The Maharashtra Navnirman Sena (translation: Maharashtra Reformation Army; abbr. MNS) is a Regionalist far-right Indian political party based in the state of Maharashtra and operates on the ideology of "Hindutva" and "Marathi" Manus. It was founded on 9 March 2006 in Mumbai by Raj Thackeray after he left the Shiv Sena party due to differences with his cousin Uddhav Thackeray, who was the 19th Chief Minister Of Maharashtra and to his sidelining by the Shiv Sena in major decisions like distribution of election tickets.