Vidya Balan is one actress who thinks and sleeps her character. She
believes in getting into the skin of her character to give full
justice to it. Believe it or not, she banned smoking on the sets of
Kahaani, as she is playing the role of a pregnant woman in
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Director Sujoy Ghosh revealed that Vidya was so much into her
character, so much so that she started behaving like a pregnant
woman and demanded people around her not to smoke. He added that
the actress mentally prepares for her character so well that acting
in real life would become rather easy.
No wonder Vidya has won many awards for her acting skills!