'Brahmastra': Ayan Mukerji shares a BTS picture of Ranbir Kapoor from the sets

Filmmaker

Ayan Mukerji

, who recently made his debut on Instagram, has been grabbing all the attention on social media due to his upcoming film 'Brahmastra'.

After sharing an early test look of Ranbir Kapoor a few days ago, the ace filmmaker has now shared a BTS picture of RK from the sets of the film wherein he can be seen holding a bulb through a string. Ayan captioned this picture as "magic. #brahmastra #agni #shivadiaries"

'Brahmastra' is the first part of the sci-fi trilogy series which also features Alia Bhatt, Amitabh Bachchan, Nagarjuna, Mouni Roy and Dimple Kapadia in pivotal roles apart from Ranbir. The film which is slated to release on Christmas this year will also be released in Tamil and Telugu besides Hindi.