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Chennai South

Lok Sabha constituency in Tamil Nadu. Dravida Munnetra Kazhagam has won it 2 times in a row, holding it since 2019. It changed hands 1 time between 2009 and 2024.

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Results, 2009–2024

YearWinnerRunner-upMarginTurnout
2024T. Sumathy (alias) Thamizhachi ThangapandianDravida Munnetra Kazhagam (INDIA), 5,16,628 votesDr. Tamilisai SoundararajanBharatiya Janata Party, 2,90,683 votes2,25,94520.9%54.4%
2019T.Sumathy (A) Thamizhachi ThangapandianDravida Munnetra Kazhagam (UPA), 5,64,872 votesDr.J.JayavardhanAll India Anna Dravida Munnetra Kazhagam, 3,02,649 votes2,62,22323.6%57.0%
2014Dr. J. JayavardhanAll India Anna Dravida Munnetra Kazhagam, 4,34,540 votesT.K.S.ElangovanDravida Munnetra Kazhagam, 2,98,965 votes1,35,57512.9%60.4%
2009Rajendran CAll India Anna Dravida Munnetra Kazhagam, 3,08,567 votesBharathy R.S.Dravida Munnetra Kazhagam, 2,75,632 votes32,9354.5%62.7%

Source: Election Commission of India statistical reports (2009–2019 via the India Data Portal). Seat names follow the current ECI spelling.