The former Chief Minister paid floral tributes to a portrait of Ramachandran, popularly known as MGR, while the party's Presidium Chairman, E Madhusudhanan, garlanded a statue of the late leader at the party headquarters here.
A special souvenir was also released on the occasion.
Chief Minister O Panneerselvam and his cabinet colleagues garlanded a statue of MGR in the city.
All over the state, Ramachandran was remembered on the occasion, with the former Tamil cinema superstar's songs being played through loudspeakers on streets by his followers.
DMDK founder Vijayakant also paid floral tributes to Ramachandran.