Dhanush sing a song in the tamil movie 3 [three]. this song get populared in Internet. This song lyrics written by dhanush. At present Not only tamilans but even north indians also are dancing on the track. Youngsters all across India have just one playful question, “Why This Kolaveri Di?“. The Kolaveri song went viral on the internet when it was digitally released by Sony music on November 16. It’s been more than 10 days since but the song is only rising up in popularity charts.