Actor Rajkummar Rao, who is collaborating with Shraddha Kapoor for a horror comedy film, says he is confident it will be a lot of fun. The film is backed by Maddock Films and is directed by Raj and DK. They will begin the shoot from January end. "We are going to start the shooting of that film from January end next year. I am hopeful that it's going to be lot of fun," Rajkummar said on the sidelines of Reebok India's Fit To Fight Awards on Thursday night here.

Rajkummar Rao