Chennai

The 61-year-old actor's first tweet was a video of the rendition of the National Anthem in his voice.

"India's freedom struggle remains unique even today. Respecting it is the only way to keep it and set new world standards," he tweeted.

His handle iKamalhaasan is a verified one and has so far got 35.3 K followers. His elder daughter actress Shruti Haasan welcomed him.

"One of the happiest moments ever on Twitter! Welcome my most favourite person @ikamalhaasan to twitter!!! Love you appa," she wrote.

The Padma Shri awardee is currently busy with the post-production of his controversial spy thriller "Vishwaroopam II".