Rai Bahadur Nitarai is blessed with a son whom he names Kishore. He has a son named Pran from his mistress Mehr. The two births take place at the same hospital. Meher forces Nitarai to exchange her son Pran for his legal son Kishore. But somehow, the exchange never takes place. But Niatri doesn't know and continues to believe that the exchange has taken place. As a result, Nitarai begins to hate Kishore bitterly, while showering all his attention to Pran. Both the boys grow up; their common passion is boxing. Kishore always comes out as a winner against Pran, on one of these victories, Nitarai drives Kishore out of his house. Seeing the strange behavior of her husband, Kishore's mother too leaves the house. Once again Kishore and Pran meet in the boxing ring, Pran is now a famous boxer where as Kishore is little known. There is nobody to back Kishore in the ring where as Pran has Mala. Out of sheer pity, I.S.Johar enters the ring to assist Kishore. Pran knows that he can't beat Kishore in a fair fight. So he knocks out Kishore by unfair means. Johar becomes Kishore's close friend and adviser. They come to know that a coloured boxer called Bom Bom is due to arrive in Bombay from Madras at the invitation of the Youth's Club to fight Pran. His Manager Tom Tom is accompanying him. Johar and Kishore cancel Bom Bom's engagement in Bombay by a telegram, and themselves take Bom Bom's and Tom Tom's places. As Bom Bom, Kishore finds ample opportunity to be with Mala, and the two are concerned in some of the most hilarious scenes. Watch Bewaqoof and know how Kishore comes out of this funny situation.