In the movie, a scene shows two kids selling a stray dog to passers by. The film crew actually shot this scene, by telling the kids that they are running out of money and need money to continue. The kids decided to sell the dog for real and scenes were captured.
Both the kids were from the slums only and dhanush the producer has sponsored their education fee
This movie was perilously close to being selected as India's official entry in the 2016 Foreign Language Oscar race. The voting was split 7-7 between Kaakkaa Muttai and eventual nominee Court (2014), before the chairman of the voting committee broke the tie.
The poitrats as the kids didn't like the taste of pizza is because the director hates pizza