Dost Aur Dushman 1971

Dost Aur Dushman: Directed by Chand. With Vinod Khanna, Shatrughan Sinha, Rekha, Rammohan Sharma. A creation can trap the creator. An Indian Scientist Prof. Mehra invented a scientific appliance to control the nature. But before this invention could be used for the country. Some enemy force launched a massive action to retrieve it. In process they kidnapped Prof. Mehra and got away with half of the formula. They were vastly helped by their right hand man John, who looked very much like the butler, Harikrishnan, of the Prof. This action and Raj, a master secret agent is assigned. Raj, in order to trace the history of the Prof. meets with a girl, Dolly, and takes her up as Prof. Mehras daughter. There the real daughter, Rekha, realities and puts her butler Harikishan in the joint of gangsters as John. Hari faces with hell of difficulties in becoming the impostor, by way of the Cabret dancer and fiancee of late John and a miraculous child prodigy, Khalifa, who is a proved lethal child. The enemy camp is also ale