The total number of districts in Tamil Nadu is 30. A district of Tamil Nadu is headed by a Deputy Commissioner who is overall in-charge of the administration of that particular district. He has to perform triple functions as he holds three positions: at once he is the Deputy Commissioner, the district Magistrate and the Collector. As a Deputy Commissioner he is the executive head of the district with multifarious responsibilities. As the District Magistrate he is responsible for maintaining the law and order situation in the district. As the Collector he is the Chief Revenue Officer of the district, responsible for revenue collection and recovery. The Police administration in the district is under the control of Superintendent of Police (SP).
To decentralize the authority in administrative set up a district is divided into one or more subdivisions, further divided into tehsils and blocks. Here is a list of 30 districts; click on the respective district to get information in detail.
List of Districts