Megastar Amitabh Bachchan has not been approached for the fourth installment of "Dhoom" film series. There were reports that producer Aditya Chopra and director Vijay Krishna Acharya have approached and signed Amitabh Bachchan and Hrithik Roshan for "Dhoom 4". When asked about approaching Bachchan for "Dhoom 4", Acharya told PTI, "No such plans yet." [related-post] On speculations that Hrithik will play the main antagonist again in the movie, as he had done in "Dhoom 2", the director said, "We'll be announcing the film in a few weeks. Will keep you posted and will be able to give you a clear picture then." A Yash Raj Films' official said, "Wait for YRF to make the official announcements on forthcoming films and in the meantime please refrain from casting speculations."
