Writer-director Saket Chaudhary and co-writer Zeenat Lakhani, who are riding high on the success of their film Hindi Medium, in conversation with Box Office India
ZL: They take your lines and they make it their own. Irrfan sir has this habit of saying his lines before the scene till they become his. You would assume that since he is such an accomplished actor, he would read his lines once and that would be enough. But he keeps saying them aloud, and when he says those lines, they are no longer my lines, they are his. That’s the thing about actors like him. They take it to another level and you feel amazing… what you have written comes to life.
Read more at the source: http://boxofficeindia.co.in/hindi-medium-interview-the-medium-is-the-message/