Karate is a 1983 Hindi-language Indian feature film directed by Deb Mukherjee, starring Mithun Chakraborty, Kaajal Kiran, Yogeeta Bali and Mazhar Khan. Music done by Bappi Lahiri.  A scientist creates a diamond that can focus sun-rays to burn through anything. He hides the diamond in a necklace. Khan ( Kader Khan), in a bid to get the diamond, kills the scientist . The scientist's karate-learning sons, Desh (Deb) and Vijay (Mithun), are separated from each other and their mother. Vijay/Vijay grows up with his karate instructor while Desh is reared by a gypsy camp where he befriends Imran (Mazhar) . Khan tracks down the karate instructor who kills himself before Khan could torture him for information about the scientists missing sons and the necklace. The dying instructor gives the necklace to Vijay who later gives it to his girlfriend Aarti (Yogita) who is the instructor's daughter for safekeeping. Vijay and Aarti raid Khan's illegal go downs and kills many of his men. Desh and Imran have grown up to be master thieves and pickpockets. Khan goes to Aarti house to kill her and steal the necklace. Aarti jumps off the window using a rope ladder . However she loses the necklace which is found by Desh who is attempting a burglary in the same building.