Central Board of Film Certification (CBFC) has cleared Ranbir Kapoor and Alia Bhatt-starrer 'Brahmastra' with a U/A certificate. The film, which will be releasing on September 9, is set to have a runtime of 2 hours, 46 minutes, and 54 seconds. 'Brahmastra', directed by Ayan Mukerji, will also feature Amitabh Bachchan.