For the unaware, Ranbir Kapoor and Alia Bhatt will be seen in Ayan Mukerji s upcoming film Brahmastra. It will be the couple s first film as an onscreen couple. Check out the story. Ranbir Kapoor-Alia Bhatt Wedding: Ayan Mukerji Unveils Kesariya Song from Brahmastra As a Gift to The Couple.