To prepare for an acting course at the FTII in Pune, knowing only the body of work of the popular actors will not be enough. Your ability to notice good work in performances, irrespective of the length or popularity of the role is what will make you stand out among others.
For example, in Silence of the Lambs, the lead character Anthony Hopkins has a 14-minute length of performance which ultimately won him the Oscar. By studying the character’s behaviour and patterns will give you an idea on how to enact a scene.
The theatre exposure, practical or viewer experience are the most important factors that will influence your preparation for acting.
You will be selected on the basis of how determined and passionate you are to become an actor. The true knowledge of Cinema and understanding the medium in which to deliver your performance is the primary requirement. As these will ultimately give a push to your acting career.