The film has been directed by 'Rang De Basanti' helmer Rakeysh Omprakash Mehra and stars Farhan Akhtar in the title role.
During his research for the script, Prasoon went to the old neighbourhood where Milkha grew up and met his friends, family and people associated with him to understand the athlete better.
"I went to as many places as I could. While writing about his life, it is important to not just listen to him, but also know from people who knew him. As the film isn't about a fictitious character, we had to be extra careful. But I have taken some liberty with the story.