Complex sentence: Initially, the film was supposed to go on floors in November 2011, however, it was postponed to January 2012, since Khan decided to take a break with his family after the release of his two films "Ra.One" and "Don 2".
Split into simpler sentences: Initially, the film was supposed to go on floors in November 2011. However, it was postponed to January 2012 since Khan decided to take a break with his family after the release of his two films "Ra.One" and "Don 2".