Tirunelveli District is a district of Tamil Nadu state in southern India. The city of Tirunelveli is the district headquarters. Tirunelveli District was formed on 1 September 1790 by the East India Company (on behalf of the British government), and comprised the present Tirunelveli andThoothukudi districts and parts of Virudhunagar and Ramanathapuram districts. It is the second-largest district (as of October 2008), afterVillupuram district. As of 2011, the district had a population of 3,077,233 with a sex-ratio of 1,023 females for every 1,000 males.