Veteran filmmaker K. Bhagyaraj, who passed away at 73 in Chennai due to cardiac arrest, is currently being mourned globally as Tamil cinema's "King of Screenplay". The tributes flooding the internet from the Tamil film fraternity are accurate but entirely incomplete. K. Bhagyaraj did not just master the Tamil domestic drama. He engineered the structural blueprint for the middle-class commercial screenplay that Bollywood would spend the next three decades attempting to replica