In one particular scene, Ranveer was required to exhibit pain, for which the actor went a step ahead and actually hurt himself to emote the sequence in the best possible manner. Ranveer kept piercing himself repeatedly with a safety pin for this shot.
Originally, the film's premise was set in the present time, and not in the 1950s. But during the story's developing stages, Motwane realized that the film would not leave the kind of impact on his audience in the modern setting as he intended. Immediately, changes were done in the script in order to make it more engaging. That's how the film turned into a period romance.