Suriya Sivakumar, Trisha Krishnan Karuppu Movie Review: A deity walks into a courtroom, that is the premise of Karuppu , and on paper it should not work as well as it does. RJ Balaji wrings the best out of Suriya Sivakumar and delivers a film full of moments the fans will talk about for a while. But as the whistles fade, what is left is a plot that loses its way. One of Suriya’s strongest performances in years is delivered in a film that is only half as good as he is. A district court somewhere in rural Tamil Nadu has been quietly taken over by Baby Kannan, played by RJ Balaji, a lawyer who runs the place like a personal fiefdom — those who can pay, win. The poor walk in with legitimate cases and walk out with nothing. When one such victim, out of options and out of hope, prays to the deity Karuppuswamy, the deity answers. He takes a human form and appears as a lawyer Saravanan, and decides to fix the court himself.…