Rajasekhar learns that the girl he saved is none other than his niece. He is hospitalised and Radha rushes to the hospital to see her brother. While going back, he saves a little girl from getting burnt by fire crackers and in the process, loses his eyesight. He returns on Diwali day and goes to meet Radha, but is denied entry by Anand s aunt. Unable to cope with the separation from his sister and to have peace of mind, Rajasekhar goes on a pilgrimage for several months. After her child s birth, Malathy goes abroad for further studies, leaving the child with Rajasekhar. Radha delivers a girl and Malathy delivers a boy. Unable to see Radha s sufferings, Rajasekhar withdraws the case. Malathy files a counter petition and the property is attached by the court, pending resolution. Unable to witness Radha s troubles, Rajasekhar moves out of the house with his wife, Through Radha, Anand s aunt serves a legal notice to Rajasekhar, demanding a share in the property for Radha. Anand s aunt uses every opportunity to widen the rift between Malathy and Radha and Radha and Anand. All of them continue to live under the same roof and several misunderstandings arise. However, knowing how intensely Radha loves Anand, he arranges for their wedding.After the marriage, Anand, along with his aunt and cousin, move into Rajasekhar s house. Rajasekhar, who is very possessive of his sister, gets angry with Anand as he feels betrayed. Rajasekhar appoints him in his concern and over a period of time, Anand and Radha fall in love. Anand (Gemini Ganesan) a former colleague of Rajasekhar who earlier helped him to get a job in his old factory, is jobless and approaches Rajasekhar for work. The dutiful brother follows his sister s advice, starts a business and in a short time, becomes rich. She advises him to use this money as seed capital and commence his own toy business. When the factory in which Rajasekhar works is shut down due to a labour problem and he is depressed, Radha gives him 1000 which she had earned and saved by making toys. The brother-sister duo love, care and adore each other and are inseparable.

Rajasekhar (Sivaji Ganesan) becomes the guardian to his younger sister Radha (Savitri) after their parents death.

Amma rajasekhar