Maduranthakam, Tharapura legislative constituencies held by-elections, the ruling TVK government has won. In Tharapura constituency, TVK candidate Satyabama secured 66,841 votes. She defeated DMK candidate Sukanya by 9,471 votes. In this constituency, DMK candidate S Sukanya secured 57,370 votes, second place, and AIADMK candidate K Bhanumathi secured 45,280 votes, third place. The candidate of Naam Tamizhar Party M Karthika secured 5,268 votes, fourth place.

In Maduranthakam constituency, Maragatham Kumareval secured 74,048 votes, winning. He secured about 20,000 votes more than DMK candidate Paranthaman. DMK candidate secured 57,530 votes, second place, and AIADMK candidate Kanimatha Sampath secured 47,450 votes, third place. The candidate of Naam Tamizhar Party Janaki Raman secured 2,709 votes, fourth place.

As TVK candidates have won, TVK supporters celebrated their happiness by bursting firecrackers and distributing sweets.