Shortly called as KJo, Bollywood Director Karan Johar has given good reviews about the National Award winning movie “Kaaka Muttai”. He has expressed in Twitter, “Kaaka Muttai is a gem of a film. It’s a small film with a huge heart”. He has also congratulated Actor Dhanush, the Producer of this movie. The movie revolves around two boys from slum who are yearned to eat a pizza and portrays beautifully the naughty acts of these kids, all covered in 98 minutes.