The film is directed by debutant Sohem Shah, and also features Ajay Devgan, Vivek Oberoi and Lara Dutta.
John was injured when he fell down during a shot on November 22.
Deputy Superintendent of Police Yogendra Singh Rawat said, "There are no serious injuries but doctors have advised John to rest."
Shooting for the film has been taking place at Corbett Park and its adjoining areas for the last one month.