A sheer example of being 'Perfectionist', Aamir Khan has dealt with many problems while shooting for the film. Such was the impact that he wrote a death note on the sets of Dangal and shared it with the director of the film. However, this was not the first time that he wrote such a note as he mentioned in an interview, that he has done this always. The actor had to put on weight that led to a lot of breathing problems and not just that, in order to fit in the young Mahavir's character he had to lose weight drastically which took a toll on his health.
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He said,''I am always scared a film won’t turn out the way we want. I stress over small things, like something in the schedule going for a toss. And I always have this worry, ‘What if I die? What if I get injured really badly when the whole film is dependent on me?’ So, typically, towards the end of a shoot, I write a note to people around me that says, ‘If I die, these are the things I want ideally to happen…’, whether it’s creative or connected to the release.”
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He added, “Anything can happen, life is unpredictable. So for Dangal, with these five months off between shoots, I told Nitesh, ‘If anything happens to me, everything is still on. You just have to cast a younger Mahavir and you’ll still have the film.’ Varun, Shahid — any actor would like to do it. Ranveer? Maybe Ranbir?”