Tamil Nadu Deputy Chief Minister and CM MK Stalin's son Udhayanidhi Stalin won by 7,140 votes from the Chepauk-Thiruvallikeni Assembly constituency. He defeated TVK's Selvam D, who got 55,852 votes, with AIADMK's Aadirajaram securing 16,507 votes. DMK has won 12 seats and is leading on 49 others, according to latest trends.