As many as 3,998 candidates, including Chief Minister K Palaniswami, his deputy O Panneerselvam, DMK President MK Stalin, AMMK founder TTV Dhinakaran, actor and Makkal Needhi Maiam founder Kamal Haasan, Naam Tamizhar Katchi leader Seeman and BJP state unit chief L Murugan are in the fray.
Leaders, including Palaniswami and Stalin hit the campaign trail on the last day, even as they have been criss-crossing the state for hectic electioneering, the former in a bid to ensure a record third term, while the latter is keen to upset his rival's chances.
Over 62.8 million eligible voters will choose 234 members of the 3,998 contesting the elections.