They sing the song throughout the jail and finally find each other at the end of the song. They recognise each other from the fight the other day, and it is revealed that the unknown person is in fact Karan Kumar Khanna (Amitabh Bachchan), Kishen's lost older brother.
They harmonize the song throughout their imprisonment and eventually meet up at the conclusion of the song. They identify each other from a past altercation, revealing that the unknown individual is in fact Karan Kumar Khanna (Amitabh Bachchan), Kishen's long-lost elder brother.