Thirunallar is one of the 30 assembly constituencies in Puducherry, the Union territory where assembly elections are expected in April. The seat is currently represented by independent MLA PR Siva, marking his third electoral victory, having earlier won twice on tickets of two different parties. In the 2021 assembly elections, Siva defeated BJP candidate S Rajasekaran by a margin of 1,380 votes. In 2016, he had lost as an All India NR Congress candidate to the Congress’ R Kamalakkannan by 2,875 votes. Siva first won the seat in 2006 on an MDMK ticket and again in 2011 as an All India NR Congress nominee, with victory margins of 285 and 840 votes respectively. In the 2021 Puducherry assembly polls, Thirunallar had 30,295 registered electors, of whom 26,701 cast their votes.