Brahmastra is a Hindi Trilogy Fantasy Adventure film produced by Dharma Productions. The film will be directed by Ayan Mukherjee and has Mr. Amitabh Bachchan leading the cast along with Ranbir Kapoor and Alia Bhatt. This film was previously titled 'Dragon' and was not part of any Trilogy. Karan Johar announced the title of the movie as 'Brahmastra' on Amitabh Bachchan's 75th birthday ‘Brahmastra’ marks the first outing of Ranbir and Alia, along with Big B. As per Namit Malhotra who is co-producing Brahmastra, the budget of the film is over Rs.300 crore and is set to become the most expensive superhero film. Brahmastra will be released in 3D in order to provide superlative visual effects.