Sikharangal(1979)

Savitri is devastated when she learns that her boyfriend Ramesh is a married man. She leaves him and returns home. He pursues her there but Savitri and her mother had already left for her uncle's place and he has no way of tracking her further. There Savitri gives birth to a baby girl who is given out for adoption by her mother and uncle. She's convinced that the baby had been born dead and is soon persuaded to marry the rich Surendran.