Nizhal Nijamagiradhu

Nizhal Nijamagiradhu English Illusion becomes reality is a 1978 Tamil Indian feature film directed by K. Balachander, starring Kamal Haasan, Sarath Babu, Sumithra, Hanumanthu in lead roles and introduced Sobha.

Venkatachalam Sarath Babu and Indumathi Sumithra are siblings. Indumathi hates men and she is adamant that she will never get married. Sanjeevi Kamal is a friend of Venkatachalam and often visits his house. Sanjeevi likes Indumathis attitude and starts teasing her many times, they often quarrel as well. Though Indumathi too starts liking him, she is too egotistic to show her romantic side to Sanjeevi as she doesnt want to remove her stubborn attitude mask.Thilagam Sobha is a young girl from the village who comes to work as a servant in Venkatachalams house. Her innocence draws Venkatachalam towards her and they get intimate. She becomes pregnant but Venkatachalam refuses her. Thilagam is driven out of Venkatachalams house and gets support from Sanjeevi and Kasi Hanumanthu, a person who is hard of hearing,also worked at Venkatachalams house and has affection towards Thilagam. Sanjeevi provides Thilagam with lodging and requests Kasi to stay with her and look after her. Thilagam delivers a child. ........

Source: Wikipedia