Chengalpattu, Jan. 23 -- Security has been tightened at Madurantakam in Chengalpattu district as Prime Minister Narendra Modi is set to hold a public meeting on Friday, with the BJP stepping up its campaign efforts ahead of the Tamil Nadu Assembly elections.

The public meeting will mark the clarion call for the National Democratic Alliance (NDA) for the Assembly polls.

Prime Minister Modi will deliver a special address, and AIADMK General Secretary Edappadi K Palaniswami, GK Vasan, John Pandian, and other leaders of alliance parties will also attend the event.

Earlier in the day, Tamil Nadu Chief Minister MK Stalin launched a sharp attack on the BJP-led Centre, accusing it of repeatedly betraying the state and ignoring its key demands....