Pankaj Kapoor says, "I belong to different school of acting. Everything that my actors do have to be contextual. I made Shahid and Sonam go through this extensive exercise so that they could start feeling like the characters they plan. It took some time as first we need to break inhibitions, then develop new habits and then fall in love."
Also both didn't know how to write! So he put a strict rule that unless and until they go through this exercise he will not start shooting.
Both wrote really bad notes for two weeks which left the director Pankaj Kapoor fuming and baffled.
Pankaj Kapoor felt that it was very important for them to be able to write their thoughts down. And also since Pankaj Kapoor belongs to theatre he applied all mythologies of theatre.
Interestingly, the two got so used to writing letters that they continue to do so even today. Now it's been two years that they have continued this exercise.