The story revolves around Nisha (Priyanka Chopra), a young and free-spirited woman who befriends Raj (Shah Rukh Khan), a quiet and introverted man, on a train journey. As they strike up a conversation, Nisha learns that Raj is a shy and lonely individual who has given up on love. She, on the other hand, is a hopeless romantic. Despite their differences, they form a deep bond, and Nisha encourages Raj to express himself.
Before diving into the "index of" phenomenon, let's revisit the film itself.