Filmmaker Karan Johar, who became the father of twins Roohi and Yash via surrogacy, quips that they are the finest 'Dharma productions'. While talking about the experience of parenthood during a book launch in mumbai Karan said. KaranJohar and Shahid Kapoor's wife Mira attended the launch of celebrity nutritionist Pooja Makhija's new book 'Eat Delete Junior: Child Nutrition for Zero to Fifteen Years'and play some games like tasting game with blindfold. The celebrities also prepared a healthy plate for children..