The Lok SabhaconstituencyChennai Central is one of three constituencies in Chennai, Tamil Nadu. Its Tamil Nadu Parliamentary Constituency number is 4 of 39. Formerly it was known as Madras Central.It is also one of the smallest constituencies in India. The Voter-verified paper audit trail (VVPAT) system with EVMs was used for the first time in this Lok Sabha constituency in 2014 elections.[2][3][4]