Elections are also held every five years to elect corporators to power in the MCGM.[48] The Corporation comprises 227 directly elected Councillors representing the 24 municipal wards, five nominated Councillors having special knowledge or experience in municipal administration, and a mayor whose role is mostly ceremonial.[49][50][51] In the 2012 municipal corporation elections, out of the 227 seats, the Shiv Sena-BJP alliance secured 107 seats, holding power with the support of independent candidates in the MCGM, while the Congress-NCP alliance bagged 64 seats.[52] The tenure of the mayor, deputy mayor, and municipal commissioner is two and a half years.[53]