Tenkasi is a key Assembly constituency in Tamil Nadu, located in Tenkasi district, and is known for closely fought electoral contests. In the 2021 Assembly elections, S. Palani Nadar of the Indian National Congress won the seat, narrowly defeating Selvamohandoss Pandian of the All India Anna Dravida Munnetra Kazhagam by a margin of just 370 votes. The constituency is once again witnessing a competitive race, with Gowshik Pandiyan of the Naam Tamilar Katchi entering the fray, intensifying the contest among major parties. Tenkasi Assembly seat falls under the Tenkasi Lok Sabha constituency. In the 2024 general elections, Rani Srikumar of the Dravida Munnetra Kazhagam won the parliamentary seat, defeating K. Krishnasamy of the AIADMK by a margin of 196,199 votes.