Amitabh Bachchan, Ayan Mukerji and Ranbir Kapoor

Amitabh Bachchan and Ranbir Kapoor did a look test for Ayan Mukerji's Brahmastra over the weekend. Yesterday, Big B shared a snapshot on Instagram from the set of the adventure fantasy. The veteran actor wrote, "A joy to be with this incredible young generation (sic)."