Starring Mammootty and Nayanthara in lead roles, ‘Puthiya Niyamam’ is having a grand run at the box-office. Directed by AK Sajan, the film is a thriller with Nayanthara reportedly playing a character with negative shades. A song video from the movie has been released recently. Titled ‘Penninu Chilambunde’, the video has Nayanthara in a gritty avatar. Watch the video here.