State Governor K Rosiah administered the Anti-terrorism pledge to government staff at Udagamandalam while Assembly Speaker D Jayakumar did the same at the Secretariat here.
Gandhi was remembered by Congressmen at Sriperumbudur, where he was assassinated by an LTTE suicide bomber during an election rally 21 years ago.
TNCC President B S Gnanadesikan, MP, and Union Minister of State for Railways K H Muniappa were among those who paid homage to Gandhi.