Mittal was seen in Subhash Kapoor’s Say Salaam India (2007). It was his role as Salim in Danny Boyle’s Slumdog Millionaire (2008) that got him noticed on an international platform.
Mittal played Jamal’s older brother Salim who is a gangster, whose life is about booze, women and money but in the end makes up for his mistakes.
He won the Screen Actor’s Guild Award for Outstanding Performance by a Cast in a Motion Picture.