. The trailer of the film 'Coolie No.1' has been launched. While Varun Dhawan and Sara Ali Khan are in lead roles in the film, Javed Jaffrey, Paresh Rawal, Johnny Lever, Rajpal Yadav are also seen in the trailer.. This is David Dhawan's 45th film. Now how is the trailer, what is the story of it, you will know it all in this video.