Ram Balram remains the only movie where Rekha and Zeenat Aman acted together. They were both contenders for the No.2 position in the late 70's when Hema malini was the uncrowned queen of Hindi cinema.
Amitabh Bachchan contracted Jaundice during its making and couldn't shoot for 8 months.
Vijay Anand was forced to make changes to the script due to The Emergency. When the film was on the verge of completion,, The Emergency period was ended by the government.Vijay Anand was in two minds whether to re shoot the film or go ahead with his existing shoot and subsequently decided to continue.
Amitabh got Rekha to sign the film and Zeenat asked Dev Anand to tell Vijay Anand she wanted to do the film.
As Ajit had health problems and he wanted to retire and go to another town, he wanted the shooting to be completed as soon as possible and he had one of his most important role of his career, he wanted to complete his work because he was scared something can happen to him and the film kept delaying. But he completed his entire work and retaired and made comeback after 10 years.