Since 2006, it has been a part of Chidambaram Lok Sabha constituency.

[2][3] It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India.

From the 1977 elections, the assembly seat was won by Dravida Munnetra Kazhagam (DMK) three times during the 1977, 1980 and 1989 elections, the All India Anna Dravida Munnetra Kazhagam (AIADMK) two times during the 2001 and 2011 elections, Indian National Congress once during 2006 and Tamil Maanila Congress once during the 1996 elections.

[4] In 2016 Member of Legislative Assembly (MLA) of the constituency was Thamarai S.Rajendran from the AIADMK Party.

[5] The current MLA since 2021 has been K. Chinnappa from DMK.