Kati Patang (1971)
(Released: Jan 29, 1971)
Madhu (Asha Parekh) is about to be married to the person she has never seen before. She runs away on her wedding day to be with her boyfriend Kailash (Prem Chopra), only to discover that he is only after her money and is really fooling around with someone else. She goes back home to discover that her uncle, her only family, has committed suicide. She runs away and comes across her widowed childhood friend, who is on her way to meet her in-laws for the first time. They decides to take the train together to Nainital. Along the way, the train derails and Madhu's friend is killed. Before dying, she makes Madhu promise to take her place at her in-laws. Thus Madhu becomes a new person. But, her ex-boyfriend Kailash knows about her whereabouts and she is actually connected to the people of Nainital in more ways than she knows...