"Honey Singh will be singing in 'Besharam', he has done some really good work in the past and with Honey coming on board, the music album of the film is going to be quite interesting," said a spokesperson.
"Besharam" is a comedy directed by Abhinav Kashyap. The film also stars Pallavi Sharda.
The movie, set to release Oct 2, will also feature Ranbir's parents - Neetu Singh and Rishi Kapoor.
Mumbai Roundup: 9 incidents that took place this week
Photos: Ajay Devgn, Parineeti, Tabu at 'Golmaal Again' trailer launch
Photos: Dipika Pallikal Karthik oozes oomph in bikinis and sarees
Photos: Kareena Kapoor Khan's grand birthday bash
Photos: 'Dangal' girls Sanya Malhotra, Fatima Sana Shaikh's dinner outing