Alo Amar Alo (1971)

The movie is about a poor family of parents and five siblings. The family's household responsibilities are carried out by the eldest sister. At the other end is a high ranking official and a social worker who is also a womanizer at the same time. Taking advantage of the family's poor condition he pays them for letting him their elder daughter for the pleasures of a night. Accidentally, she loses her memory. Meanwhile, he develops feelings for her and helps her get her memory back. She forgives him for all his crimes and goes back to him as she also realizes that she has fallen in love with him.