Salman wanted to observe the bodyguards of the VVIPs and the SPG (Special Protection Group) in charge of the Prime Minister and the likes of Congress leaders Sonia and Rahul Gandhi.

The actor who stars in the remake of the southern super hit `Bodyguard` wanted to see how they manage the VVIPs in a crowd.

Salman wanted to make the most of the situation, by noticing them while on the job, sources close to the actor said.

In fact, these observations benefited Salman immensely. He has even made subtle changes in his character after observing these men at work.

Says producer Atul Agnihotri, "Salman Khan wanted to know body language of SPG. These guys are trained to blend into the crowd and protect Z plus personalities. Salman, though not a frantic cricket buff watched the Indo-Pak match without missing a second."