Debutant director 'Shrey S. Srivastav' wanted Amitabh Bachchan to do the narration, but the young director didn't have access to the superstar.A ctress Kunika stepped in and called Amitabh's office. The actor's office promptly called Srivastav and told him to meet the actor, on hearing the script Amitabh agreed instantly and did his voiceover without charging a penny.