‘Kablar Biye’ is the story of a stupid boy named Kebla. Kebla is a stupid boy and everybody makes fun of him. His mother plans to get him married by no girl is ready to marry him. His mother sends him to Kolkata to his aunt’s place. Kebla’s friends Mangal, Baga get him married to a girl named Jui to take revenge against her. Jui is not ready to accept him as her husband. Kebla is heartbroken. Jui’s friend Kabita who loves Mangal suggests that he gets him treated so that Kebla and Jui can be happy. Mangal, Baga and Kebla’s friends work hard and help him change. Jui is surprised to see the vast change in him and accepts him back in her life. The couple is happily united.