Nikkhil Advani revealed that he bullied Karan Johar a lot when they were in school. He said everybody used to bully Karan, calling it "unfortunate". "But today, he can bully all of us," said Nikkhil, who collaborated with Karan on 'Kal Ho Naa Ho'. The two had a fallout after 'Kal Ho Naa Ho', however, they later mended their relationship.