Unnai Naan Santhithaen is a 1984 Indian Tamil-language film directed by K. Rangaraj and produced by Kovai Thambi's production.
The movie stars Sivakumar, Sujatha, Suresh, and Revathi in its lead roles. The story revolves around Indhumathi, a playful college student who falls in love with Murali.
With the blessing of her mother Janaki and Murali's father Sabapathy, they plan to marry but are required by both sets of parents to complete their graduation first. Indhumathi faces difficulties passing her Tamil exams, prompting Sabapathy to arrange tutelage from Indrumathi's professor, Raghuraman.
This tutoring situation introduces a complex past involving Janaki and Raghuraman, adding layers to the narrative before they get married.