Yesterday we had told you about King Khan’s elaborate promotion plan for his ambitious project ‘Ra.One’ – for which is going to make record by introducing longest fan mail… Now here’s the latest update about the promotional campaign which kick started yesterday in Mumbai…

The highly anticipated Shah Rukh Khan's Ra.One's first theatrical promo was yesterday showcased for the first time at BIG Cinemas in Mumbai on the IMAX screen format. BIG Cinemas along wi th producer-star Khan launched India's longest traveling fan mail during the film’s theatrical trailer launch event. The 3600 feet long fan mail was personally launched by SRK and will now travel across 50 BIG Cinemas properties for collecting audience wishes and messages for King Khan.

The first two Shah Rukh fans to sign the fan mail in the presence of King Khan are the winners of the contest hosted by BIG Cinemas on its official Facebook fan page.

According to reports, the traveling fan mail would be personally presented to Shah Rukh before the release of ‘Ra.One’. BIG Cinemas is will set a new Limca Book Record with this exclusive activation.

Eros International and Red Chillies Entertainments present this magnum opus, a Superhero film with a heart, directed by Anubhav Sinha, starring Shah Rukh Khan, Arjun Rampal and Kareena Kapoor.

With the theatrical trailer releasing globally, audiences worldwide will finally get a glimpse of SRK's most ambitious project till date, featuring their favorite actor in a never seen before avatar. The action adventure super hero film is sure to thrill the audiences - youngsters and adults alike when it hits screens worldwide this Diwali on 26th October 2011.

Watch Here Ra.One Trailer