"On Teachers' Day, I pay homage to Dr S. Radhakrishnan and extend heartiest greetings to all teachers of our nation. May our great gurus continue to help and guide us in building a nation and world full of wisdom, peace and harmony," Kovind tweeted.

Radhakrishnan, an exemplary teacher was also a philosopher, scholar and politician. His work dedicated towards education shaped the youth of the country in the early years of the democracy.

Greeting the teaching community on the occasion, Modi siad: "Teachers play a vital role in the shaping of young minds and building our nation.

We bow to our former President and a distinguished teacher himself, Dr Sarvepalli Radhakrishnan on his Jayanti."