Krishnagiri district is a district in the state of Tamil Nadu, India and is one of the 6 districts of Tiruvannamalai region . The municipal town of Krishnagiri is the district headquarters. In Tamil Nadu, e-Governance was first introduced at Krishnagiri district under the National e-Governance Project (NEGP) in revenue and social welfare departments on a pilot basis. The district is one of the largest producers of Mangoes in India. As of 2011, the district had a population of 1,879,809 with a sex-ratio of 958 females for every 1,000 males