Sivaganga is a part of the Sivaganga (Lok Sabha constituency) – it has the following six assembly constituencies – Thirumayam, Tiruppattur, Karaikudi, Alangudi, Manamadurai and Sivaganga. From 1967, the Sivanganga parliament seat was held by the Indian National Congress for nine times during 1980, 1984, 1989, 1991, 1999, 2004, 2009 and 2019 elections, ADMK twice during the 1977 and 2014 elections, Tamil Maanila Congress twice during 1996 and 1998 elections, and Dravid Munnetra Kazhagam twice during the 1967 and 1971 elections. The current Member of Parliament from the constituency is Karti P. Chidambaram from the Congress party. P. Chidambaram, who was the Finance Minister of the country during the previous tenure, was elected from the constituency for seven times.