During the shoot of Bobby, Raj Kapoor couldn't afford Pran's fee. Pran agreed to do the film with a signing amount of Re 1.
During Upkar (1967), composers Kalyanji-Anandji were horrified that their composition Kasme Vaade Pyar Wafa would be picturised on Pran. They tried to reason with Manoj Kumar but he was adamant. When they finally saw the song on screen, they were the first to apologise to Pran for doubting him.