Pyar Ki Kahani (1971)
Pyar Ki Kahani (English: The Story of Love) is a 1971 Bollywood romantic drama film directed by Ravikant Nagaich.It is a remake of the great tamil film Kai Kodutha Deivam starring Sivaji Ganesan and Savithri. It was announced by Amitabh bachchan himself in the recent filmfare awards. The film stars Amitabh Bachchan, Tanuja and Mala Sinha . According to an interview given by Amitabh bachchan at Koffee with Karan, this role was initially given to Jeetendra, but because of the film industry's imposed limit of maximum of 6 films to be done as a leading role by an actor, that he got this breakthrough.
More at Wikipedia.