Chief Minister M Karunanidhi is busy working on the script of 'Pen Singam' , which will be his next novel that will be produced in kollywood. The Chief Minister has also penned down a song for the film. To the surprise of the entire team that approached him with the request, the Chief Minister wrote the lyrics of the song in about ten minutes.The music director of the film is Deva. The lead roles of the novel which was titled as 'Surulimalai' will be handled by Meera Jasmine and Tollywood actor Udayakiran.