Ace Kollywood actor Dhanush is all up with the shooting of the flick 'Aadukalam'. The flick centers around the life of an outspoken individual. "He is one person who is so outspoken. This trait of him makes him land in troubles. How he overcomes everything is the crux of the story.He initially found it tough to master the Madurai slang for Aadukalam. However, he practiced hard and finally came out with a very good performance.",said sources close to the actor. The flick is directed by Vettrimaran of Polladhavan fame. It is expected to hit the screens in January.