Since last year there were the reports that Yeh Jawani Hai Deewani fame director Ayan Mukerji is ging to make a film Dragon taking Ranbir Kapoor in leading role. Now another latest development for the film is that one another big actor has joined the star cast of the film. According to the sources, Amitabh Bachchan is also going to do this film of Ayan Mukerji. Yes, this is true and news is that Amitabh Bachchan will also play leading role in the film and really if it happened then it would be the first time when Amitabh Bachchan and Ranbir Kapoor will work together in any film as actors. Currently, the film Dragon is in its pre-production stage and the shooting of the can be started from August. On the other hand, Ranbir Kapoor is busy in the shooting of Sanjay Dutt's biopic directed by Rajkumar Hirani and after this film, he will start the shooting of the film in August. Alia Bhatt who is playing leading lady in the film will also start the shooting of the film. According to the sources, Ayan Mukerji was waiting for the yes of Amitabh Bachchan for a long time. He was trying from very long time to include Amitabh Bachchan in the film. But now finally, Amitabh Bachchan has said yes to the director. However further details of the character have not revealed yet.