Karan Johar and Kajol frinedship is known to everyone in the industry. But it seems like, again issues are going on with them. Reason behind this rift is Kajol's husband Ajay Devgan. Although Karan Johar carries good balance between his professional and personal life, But it is been heard that thing are slipped from Karan's hand. According to the report, Big stress is going on between Kajol and Karan these days. Both of them are not even talking to each other. Source told, 'Ajay Devgan's Shivaay, has become a wall between Karan and Kajol's friendship. Karan's 'Ae Dil Hai Mushkil' is releasing on the same date when Shivaay is releasing. Karan is not ready to shift the dates, so kajol is angry with him. Kajol is Ajay's wife, so she will be Ajay's side only. Same she did with Shahrukh Khan, when Son of Sardaar and Shahrukh's My name is Khan was to release at the box office together.' Kajol did not event attend Karan's Birthday bash in London. It is been heard that, Kajol did not even wished her. They even had a small fight in 2013, both of them stopped talking to each other, but everything got normal between them, we would want them to again be friends.