In 1989, the Bharatiya Janata Party (BJP), a major national political party, forged an electoral alliance with the Shiv Sena to dislodge the Congress in the Maharashtra Legislative Assembly elections. In 1999, several members left the Congress to form the Nationalist Congress Party (NCP) but later allied with the Congress as part of an alliance known as the Democratic Front.[41] Other parties such as Maharashtra Navnirman Sena (MNS), Samajwadi Party (SP), Bahujan Samaj Party (BSP), All India Majlis-e-Ittehadul Muslimeen (AIMIM) and several independent candidates also contest elections in the city.[42]