Chronic Bachelor is a 2003 Indian Malayalam-language romantic comedy drama film, written and directed by Siddique. It is about the life of Sathyaprathapan, a bachelor. It features Mammootty, Mukesh, Rambha, Indraja, Bhavana, Innocent and Biju Menon. Jyothika was signed as the lead actress but later was replaced by Rambha. The movie was produced by Fazil. The film was a commercial success. It was later remade in Tamil as Engal Anna starring Vijayakanth and in Telugu as Kushi Kushiga with Jagapati Babu.

Plot

The film opens with a flashback showing the family feud between families of Sathyaprathapan and Bhavani. Sathyaprathapan's sister and Bhavani's cousin are in love. The murder of Bhavani's cousin Vishnu, is wrongly accused on Balagangadharan, father of Sathyaprathapan. Sathyaprathapan's sister commits suicide and Sathyaprathapan turns against his father, who dies soon. He starts to help Bhavani's family and mortgages his own house to finance her factory. A love develops between Sathyaprathapan and Bhavani. But Bhavani's greedy father wants to destroy Sathyaprathapan's family and tries to take their home. That is when Parameshwara Pillai (Sathyaprathapan's uncle) shows up, Sathyaprathapan's mother requests Pillai to prove Balagangadharan's innocence. Parameshwaran Pillai and Sathyaprathapan finds Kuruvilla who witnessed the murder being committed by goons send by Bhavani's father. Meanwhile, Sathyaprathapan's mother faints and dies in the hospital. While in the hospital, his mother tells how Balagangadharan had a different wife and he should ask them forgiveness. He storms into Bhavani's house and accuses her dad, also trying to make her understand the truth but she does not believe him and stands by her father. Then Sathyaprathapan says he does not love her any more and vows that he will never trust a woman by remaining a chronic bachelor forever.