Mangamma's vow) is a 1985 Indian Tamil-language masala film, directed by K. Vijayan and produced by K. Balaji, starring Kamal Haasan, Sujatha, Madhavi and Sathyaraj.

When Mangamma and her cohorts learn that he is unmarried, she works her way into his mother's heart and marries him.

Mangamma is thought to be dead but she survives and raises her son Raja to be a fearless young man well-versed in fighting, dancing, etc.

Once he learns the story, he, along with his girlfriend Radha, settles scores with Bhoopathy and his son Jaipal.

[5][6] Jayamanmadhan of Kalki appreciated the film for Haasan and Sathyaraj's performances in the first half, but the post-interval portions were like a jeep running on railway tracks.