 The films script originated from a small anecdote actor  Amitabh Bachchan (qv) narrated to director  Vidhu Vinod Chopra (qv): Palestinian leader Yasser Arafats  bodyguard was killed by Israeli agents. One Palestinian man took the  revolver from the corpse, went to the bodyguards home and gave it  to his son. The son then took his fathers gun and put it under his  pillow. In this way the legacy, the tradition and the struggle was  passed on from father to son.