"Chalte Chalte" is a romantic comedy film directed by Aditya Chopra. The movie stars Shah Rukh Khan and Preity Zinta in the lead roles. The story revolves around the lives of two young individuals, Raj (played by Shah Rukh Khan) and Naina (played by Preity Zinta), who meet on a train. The film explores their relationship, the challenges they face, and how their lives change after they get married.