Salman Khan's hairstyle changes in the scene when he is confronting Amrish Puri.
Sunny is shown with a darker tan initially but later he is shown fair.
When Sunny kills the first guy at about 123 minutes, his pistol isn't pointed where it could hit any part of the man's head or body.
Some of the criminal business was in limbo without Salman's signature because he'd walked away from his position. All they needed to do was get him to formally resign, so someone else could get it done.