Virudhachalam, also called Vriddhachalam, is a Municipality and taluk headquarters in Cuddalore district in the Indian state of Tamil Nadu.

The temple has been mentioned in the travalogue Tirtha Prabandha written by Madhwa saint Vadiraja tirtharu in sixteenth century.

A polytechnic college, especially for ceramic technology, is also only located in Virudhachalam for the entire Tamil Nadu.

[8] According to the 2011 census, Virudhachalam had a population of 73,585 with a sex ratio of 985 females for every 1,000 males, much above the national average of 929.

During the 2009 general elections, Virudhachalam was a part of Cuddalore (Lok Sabha constituency) with six assembly segments.

[15] The Lok Sabha seat has been held by the Indian National Congress for eight terms during 1951–56,[16] 1971–77,[17] 1977–80.

[18] 1980–84, 1984–1989,[19] 1989–91,[20] 1991–96,[21] and 2009–2014,[22] Dravida Munnetra Kazhagam for four times during 1962–1967,[23] 1967–71,[24] 1999-04,[25] and 2004–09,[26] Anna Dravida Munnetra Kazhagam once during 1998–99,[27] 2014-present,[28] Tamil Maanila Congress once during 1996-2001 and an independent during 1957–62,[29] The current Member of Parliament from the constituency is T.R.V.S.Ramesh from DMK.