Vellore district () is one of the 38 districts in the Tamil Nadu state of India. It is one of the eleven districts that form the north region of Tamil Nadu. Vellore city is the headquarters of this district. As of 2011, the district had a population of 1,614,242 with a sex ratio of 1,007 females for every 1,000 males. In 2017 Vellore district ranked eleventh in list of districts in Tamil Nadu by Human Development Index. The Government of India recently included Vellore city in its prestigious smart city project, along with 26 other cities. History Men from the Vellore District fought in the British India Army and sacrificed their lives in the World Wars. This is recorded in the clock tower in the long bazaar at Vellore, raised in 1920, where an inscription reads "Vellore – From this Village 277 men went to the Great war 1914–18, of them 14 gave up their lives". On 30 September 1989 the district was again split into Tiruvannamalai-Sambuvarayar (present-day Tiruvannamalai) and North Arcot Ambedkar districts. North Arcot Ambedkar District was renamed Vellore District in 1996. On 15 August 2019, the district was trifurcated into Vellore, Tirupattur and Ranipet districts. Demographics According to 2011 census, Vellore district had a population of 1,614,242 with a sex ratio of 1,007 females for every 1,000 males, much above the national average of 929. A total of 432,550 were under the age of six, constituting 222,460 males and 210,090 females. Scheduled Castes and Scheduled Tribes accounted for 21.85% and 1.85% of the population, respectively. The average literacy of the district was 70.47%, compared to the national average of 72.99%. The district had 929,281 households. There were 1,689,330 workers, comprising 153,211 cultivators, 254,999 main agricultural labourers, 106,906 in household industries, 845,069 other workers, 329,145 marginal workers, 21,897 marginal cultivators, 136,956 marginal agricultural labourers, 29,509 marginal workers in household industries and 140,783 other marginal workers. Politics |} Administrative divisions and politics Vellore is one of the 38 districts of Tamil Nadu and is administered by the Vellore District Collectorate. The present collector of Vellore district Kumaravel Pandian. Transportation Two National Highways — NH 4 (Mumbai – Chennai) and NH 46 (Krishnagiri – Ranipet) — used to connect parts of the district to other parts of the country before renumbering of national highways in 2010. The former NH 4 and NH 46 is now renumbered as NH 48. These