The film is rightly certified ‘A’, but the violence becomes so saturated that it doesn’t serve the narrative, but instead weighs the film down heavily Cast: Jayam Ravi, Nayanthara, Rahul Bose Director: I. Ahmed Language: Tamil The success of a crime thriller lies in how intelligent the killer is. With Jayam Ravi, Rahul Bose-starrer Iraivan, director-writer I. Ahmed has managed …