Dhanush, who penned and sung this song says that he didn’t expect such a wild response for this song. With Kolaveri song fever reaching the maximum, few people are cashing upon the craze. Printed T shirts with Kolaveri lyrics are being sold on the net and in markets.
The film’s unit haven’t launched any merchandize, but few of them have seen the potential of this song to make quick bucks. In a way, this is going to add to the publicity and craze of this song.