Karan on Monday took to Twitter and wrote: "We are honoured and exceptionally excited to have the one and only Nagarjuna doing an extremely 'special' role in our film Brahmastra! Directed by Ayan Mukerji, (starring) Amitabh Bachchan, Alia Bhatt and Ranbir Kapoor... Thank you, Sir, for your love and your beautiful energy." He also shared a photo from the film's shoot.
A tweet from Karan's home production banner Dharma Productions read: "The Brahmastra team is now bigger and grander! Super stoked to have Nagarjuna on board for a very special part in the journey."
Karan also took to Instagram another beautiful picture from the shoot!
Brahmastra is a trilogy. Its first part will release on India's Independence Day on August 15, 2019.