Namakkal District is an administrative district in the state of Tamil Nadu, India. The district was divided from Salem district with Namakkal town as Headquarters on 25-07-1996 and started to function independently from 01-01-1997. The district has seven taluks (subdivisions): Tiruchengode, Namakkal, Rasipuram, Velur, Sendamangalam, Komarapalayam, and Kolli Hills. It has two Revenue Divisions: Namakkal and Tiruchengode. As of 2011, Namakkal district had a population of 1,726,601 with a sex-ratio of 986 females for every 1,000 males.