The All India United Democratic Front (also known as AIUDF and Sarva Bharatiya Sanyukt Ganatantric Morcha) is a political party active in the Indian state of Assam. The party was founded by Maulana Badruddin Ajmal on 3 October 2005 and at that time, its name was Assam United Democratic Front (AUDF). It was relaunched as a national party under its current name at a press meet in New Delhi on 2 February 2009, again with the Badruddin Ajmal as the party's leader. The party is headquartered in Guwahati. The AIUDF has become the principal opposition party in Assam. It won 18 of 126 seats in the 2011 Legislative Assembly election and in 2016 it won 13 of 126 seats.