Mumbai (Maharashtra) [India], February 1 (ANI): Filmmaker Karan Johar is often seen shutting down the trolls with his replies but he was shocked and had no answer when his son Yash Johar criticized him for his hairstyle. The ace director took to his Instagram handle to share a video in which he can be seen having a sweet conversation with his son about the hairstyle he wants to do for his dance performance. Karan asked, “What do you want to do to your hair, Yash, for your dance performance?”, To this Yash replied, “I want to do spike hair like that on top, and I also want to put blue colour.” …