'Bombay Talkies' comprises four different retro short films with filmmakers Karan Johar, Dibakar Banerjee, Anurag Kashyap and Zoya Akhtar helming each of them. Gossip mills are abuzz that Ranbir might be seen for the first time in Dibaker Banerjee's film. When asked about Ranbir's presence in his film, Dibaker said, "That you will have to see... That is the biggest secret of our film. But we do have Nawazuddin Siddiqui in the film. I can't reveal much".u00a0