Manthrikumaran

Manthrikumaran is a 1998 Indian Malayalam language film directed by Thulasidas, starring Mukesh and Sangita in the lead roles.
Plot.
Achuthankutty (Mukesh) wants to become a Bank manager and thinks highly of himself. His father Pothuval brings a marriage proposal for him with Aswathi (Sangita). She is a nurse and for that reason Achuthankutty insults her without seeing her before her father. He gets a job as peon in the same town where Aswathi works. Achuthankutty's superior is Sunderashan (Jagathy Sreekumar). Sunderashan is fed up with his feminist and arrogant wife Chandrika (KPAC Lalitha) and they fight. Chandrika and Aswathy are friends and they find out about Achuthankutty.
Chandrika tells Aswathy that she should take revenge on Achuthankutty. They trick him into believing that she is an Air hostess. Chandrika makes Achuthankutty fall for the trick and he himself introduces to her as a Bank Manager and marries her. Aswathi has now thrown her life for revenge and Achuthankutty on a fool's paradise. But soon the lies begin to peel off and Achutankutty goes to extreme ends to meet his primary goal, but later he understands what life and married life should be and comes back to Aswathy after an arduous period of despicable games.