Senior DMK leader R Siva was on Friday appointed as the DMK legislature party leader in the territorial assembly. He won the April 6 assembly polls from Villianoor here.
A party press release said DMK General Secretary Durai Murugan announced the appointment of Siva to the post.
DMK is the main opposition party in the 30-member Puducherry Assembly, having won six seats in the polls.
DMK is part of the Congress headed Secular Democratic alliance here. The Congress won two seats.