Nizhal Nijamagiradhu
Nizhal Nijamagirathu (original)
Venkatchalam lives with his sister Indumathi, who hates men and vows to never get married. When Sanjeevi, Venkatchalam's friend, meets Indumathi, he falls in love with her.
Starring Kamal Haasan, Sumithra, Shoba, Sarath Babu, Hanumanthu, Mouli, Oru Viral Krishna Rao, M. S. Sundari Bai, K. Natraj
Watch "Nizhal Nijamagiradhu" from streaming services Amazon Prime, Amazon released in 1978. It's a drama movie, and has a rating of 7.2 out of 10 from Imdb which is usually fine for this kind of movie.