Chennai Tamil Nadu chief minister and actor C Joseph Vijay's 'Jana Nayagan' has finally locked its theatrical release date, ending a long wait that kept fans on edge.The announcement comes as a major relief for the actor's admirers, who have eagerly awaited updates on what is widely expected to be his final film before his full-fledged political journey.Vijay, in an official Instagram post on Wednesday, announced the film's new release date and also unveiled a brand new poster of the film, confirming that 'Jana Nayagan' will hit theatres on July 23. The poster shows Vijay dressed in a police uniform, giving out an authoritative presence.