Zaira Wasim On The Toughest Part Of Playing A Secret Superstar

16-year old actor Zaira Wasim returns to the theatres after Dangal with Aamir Khan produced Secret Superstar. The actor talks to Anupama Chopra about what it takes to be a leading actor at such a young age, why vanity can lead to depression and how she's striving to ensure she preserves herself.