'Boycott Brahmastra' trends: Is Karan Johar worried about Ranbir Kapoor-Alia Bhatt starrer? says, 'We can't predict the future'

Amid the boycott culture of Bollywood films, everyone associated with Brahmastra is in a nail-biting situation. Aamir Khan's Laal Singh Chaddha is the best example of how a good film can also tank due to a boycott at the box office.