Jamaibabu (The Brother-in-Law) is a Bengali language romance drama film directed by Dulal Bhowmik and with music composed by Bappi Lahiri.
After getting intimate, Rama got pregnant and informed another college mate as well as their best friend Jayanta, the son of business tycoon Biren Mukherjee.
When Chunilal came to know that Rama had already been married off to another person, he became angry and went to Kolkata from Asansol with his younger daughter Rina.
To control the damage Dulal posed to be a servant and Jayanta became Rina's loving 'Jamaibabu'.
He started to blackmail Rama for money and kidnapped Dulal and Rina.