On 1 November 1866, Dindigul became a municipality. It was promoted to a special-grade municipality as of 1988 and the entire municipal area was included in the jurisdiction of the municipality. On 10 April 2013, it was announced that the municipality would be upgraded to a municipal corporation. On 19 February 2014, Chief Minister of Tamil Nadu, J. Jayalalithaa declared that Dindigul Municipality has been upgraded to Corporation status with immediate effect. The said government order was handed over to the Municipal Chairman, G. Marudharaj The Dindigul municipality has 48 wards and there is an elected councillor for each of those wards. The functions of the municipality are devolved into six departments: general administration/personnel, Engineering, Revenue, Public Health, city planning and Information Technology (IT). All these departments are under the control of a Municipal Commissioner who is the executive head. The legislative powers are vested in a body of 48 members, one each from the 48 wards. The legislative body is headed by an elected Chairperson assisted by a Deputy Chairperson.