Bollywood` s actor Prateek Babbar will soon be sceen on the big screen in his forthcoming movie `Mulk`. Prateek plays a misguided terrorist. So, he has made a lot of research on the Mumbai attack`s mastermind David Hedley. Prateek wants to look like the real character. He, therefore, saw the Hedley documentary too. Prateek wants to follow his character`s body language etc. It is said that other actors are not far behind as they have also been making research on their real characters. This is to recall that Prateek is son of late actress Smita Patil.