WHY did Shahid Kapoor Reject Gori Tere Pyaar Mein?

It is every actors dream to work with Karan Johar's Dharma Productions and Yash Raj Films. However not only did Shahid back out of Maneesh Sharma's YRF film, but he also rejected Dharma's Gori Tere Pyaar Mein. According to the sources, Punit Malhotra had offered Shahid, Gori Tere Pyaar Mein before Imran Khan. Shahid however was not convinced and backed out of the film. He excused himself even after a call from Karan Johar. Now here is an actor who says a no to big banner films.