2004, 2009 elections
In 2004, Congress under the presidency of Sonia Gandhi led the United Progressive Alliance (UPA) to victory in Elections defeating the BJP led NDA. It also won a landslide general election held in 2009. Gandhi is the longest serving President of the Congress party. She has served as the Chairperson of the ruling United Progressive Alliance in the Lok Sabha since 2004. In September 2010, on being re-elected for the fourth time, she became the longest serving president in the 126-year history of the Congress party.