Karan Johar gives advise to Alia Bhatt for Ranbir Kapoor. Karan Johar, on his radio show 'Calling Karan' told Ranbir Kapoor how to handle mistakes in a relationship. He also called him the 'best husband in the world' and said he has already conveyed it to his girlfriend. Watch the video to know more!!!

#KaranJohar #AliaBhatt #RanbirKapoor