`Jannat` star Sonal Chauhan has joined the cast of Mahesh Manjrekar`s untitled gangster drama. The actor joins Vidyut Jammwal and Shruti Haasan in the film which recently started production. Sonal is very excited to work with Manjrekar who has penned the script. The film also features veteran actors Naseeruddin Shah and Amol Palekar. The film follows a family feud with Vidyut`s character seeking solace in Sonal`s character`s rms as matters aggravate. The plot has an interesting `Devdas`like feel to it with a new take on the role of Chandramukhi played out in the story. Prior to it, Sonal will be seen in JP Dutta`s upcoming war `Paltan`, which is based on the 1967 Nathu La and Cho La clashes between the Indian and Chinese armies. The film stars Jackie Shroff, Suniel Shetty, Arjun Rampal and Sonu Sood. The trailer is expected to land on the screens by mid-July.. The teaser of the film has already been released. `Paltan` is scheduled to release on September 7.