Rajesh Khanna and Tina Munim starrer Fiffty Fiffty was released on November 13, 1981. The movie was directed by Shomu Mukherjee. The other starcast of the movie includes Ranjeet, Indrani Mukherjee, Kadar Khan, poornima, Om Shivpuri, Shashi Kiran and Jagdish Raj in important characters. The melodious music of the movie was directed by the veteran famous music director duo Laxmiknat-Pyarelal while the songs were rendered by Amit Kumar Ganguly, Kishore Kumar and Asha Bhonsle.

Thakur Virendra Singh is killed by his close pal, Bihari ( Om Shivpuri ), who also switches his on, Kishen with Thakur’s child, Kumar. Kumar grows up in a wealthy family while Kishen is forced to live a poor life. Bihari sends Kishen to his brother in Bombay where he is forced to become a criminal fro making a living for himself. Years later, Kishen ( Rajesh Khanna ) is now a grown up guy and is making his life by performing robberies etc. he is involved in many criminal activities. He meets with another theif named Mary ( Tina Munim ) and they decides to work together.

But Mary ditches him and joins hands with Diwan Shamsher singh ( Kadar Khan ), wjo presents her as the long-lost Rajkumari Ratna of Chandpur in front of her mother, Ranimaa. Shamsher Singh is a greed person who wants to get the treasure of chandpur at any cost. And it was him who killed Rajkumari Ratna just after her birth. He is also planning to kill Mary after he gets the treasure of chandpur. But Mary somehow revelas about the intentions of Shamsher Singh but fails to run away from there. But then Kishen comes to her rescue.

The songs of the movie are:

1. Pyaar ka waada fiffty fiffty
2. Jogan ban gayi chor ke
3. Jhoomo naacho gao
4. Sor mara haath
5. O jani o dilbar
6. Pardesi o pardesi