At a time when a lot of Bollywood movies are at the risk of being leaked by miscreants, Karan Johar is putting some extra security in place for his upcoming directorial. ‘Ae Dil Hai Mushkil’, starring Ranbir Kapoor, Anushka Sharma and Aishwarya Rai Bachchan has been shot majorly in London. According to reports, director-producer Karan Johar called for extra security while shooting for an important song at a studio in Mumbai. The filmmaker doesn’t want to leave anything to chance before he is ready to showcase the film. ‘Ae Dil Hai Mushkil’ is set for release in October 2016.