Ahead of the release of ‘Brahmastra‘, filmmaker Ayan Mukerji shared a behind-the-scenes clip from the film showing how the lead cast including Amitabh Bachchan, Ranbir Kapoor, and Alia Bhatt performed intense action scenes using “technology.”

The video begins with the couple Ranbir-Alia preparing for some action sequences followed by Ranbir fighting with some stunt performers and running on a treadmill in front of a blue screen.