Bong beauty Bipasha Basu has been roped in to do an item number in Shootout at Wadala. The producer duo Sanjay Gupta and Ekta Kapoor have categorically requested the actress to remain tight-lipped about it. No sooner was Bips signed for the song than Ekta-Sanjay made it clear that only the makers will do all the talking regarding the film and that they expect the actress to be a mute spectator. Since then, Bipasha has refused to divulge any detail on the same. But, if sources are to be believed, then Bipasha also has a special appearance in the film which the producer duo has kept under wraps. They’re waiting for the right time to reveal the same.