Smaller parties aligned with the ruling DMK and opposition AIADMK will directly face each other in 21 constituencies, testing their electoral strength despite backing from the major alliances.
The two Dravidian rivals are set for a direct contest in 121 seats, with other alliance partners like Congress, PMK, VCK, DMDK, BJP and Left parties fighting in several constituency-level battles.
Naam Tamilar Katchi and TVK are contesting all 234 seats independently, while polling will be held on April 23 and counting on May 4.
