The width of the poster is 193 feet and 1 inch while its height is 180 feet and 2 inches.
Created by a group of Akshay's fans called Team Akshay, it was unveiled at the Little Gransden Airfield, Britain, Oct 3. It took them four months to prepare the poster.
Tweeting his happiness, Akshay said, "A humbling experience to be a part of the world's largest poster. Thank you for the love."
"Boss" broke the record of Michael Jackson's "This Is It", a documentary-concert film.