Vedaranyam is a part of the Nagapattinam (Lok Sabha constituency) – it has the following six assembly constituencies – Thiruvarur, Nagapattinam, Thiruthuraipoondi, Vedaranyam, Kilvelur (SC) and Nannilam. The current Member of Parliament from the constituency is A.K.S. Vijayan from the DMK. From 1957, the Nagapattinam parliament seat was held by the Indian National Congress for five times during 1957–1961, 1962–67, 1967–71, 1991–96, and 1996–98 elections. CPI won the seat for 5 times during 1971–77, 1977–80, 1989–91, 1996–98 and 1998 elections. DMK won 4 times during 1980–84, 1999–2004, 2004–09 and 2011 elections. ADMK won the seat once during 1984–89.