Nagaravadhu

Nagaravadhu is a 2001 Malayalam film directed by Kaladharan and starring Vani Viswanath, Sai Kumar, Rajan P. Dev, Janardhanan, Baiju, N. F. Varghese, Spadikam George, Harishree Ashokan, Jayakrishnan, Premachandran and Indrans.
Plot.
Vani Viswanath plays the central character of Sukanya, a young and charming medical student. A shrewd politician named Babuji develops a fancy for her, which leads to the murder of her lover. Babuji orchestrates a fake marriage for Sukanya. She is forced to satisfy the lust of Babuji. But before long, she wins Babuji's trust and steps into the corridors of power and politics along with Babuji. How she takes revenge on Babuji is the crux of the story.