Speaker V Sabapathy, Ministers, legislators, officials and representatives of different organisations were among those who paid floral tributes at the leader's statue.
The Chief Minister later administered the 'anti-terrorism' pledge at the venue.
PCC president A V Subramanian, AICC General Secretary V..Narayanasamy, party legislators and freedom fighters were among those who paid floral tributes at the portrait of Rajiv Gandhi at the PCC office.