The Lok SabhaconstituencyChennai South is one of three constituencies in Chennai, Tamil Nadu. It was formerly known as Madras South.It was created in 1957 through bifurcation of Madras Lok Sabha constituency.
C. N. Annadurai, the first non-Congress chief minister of Tamil Nadu resigned his seat in 1967 after he was nominated for chief ministership. It was later contested and won by Murasoli Maran.
Assembly segments
Before 2009
Chennai South Lok Sabha constituency is composed of the following assembly segments :