'Calendar Girls', starring five newcomers, revolves around models who gain fame after featuring in famous calendars.
"I play a photographer in the film. My character is inspired by renowned fashion photographer Atul Kasbekar. It's a very interesting role to play," Rohit told PTI.
The 'Shootout at Lokhandwala' star is also penning a film script, which he will start shooting by the year end.
"I am at the final stage of writing. The film is a slice-of-life one. We will start shooting it soon as I am done with the final draft. I am excited to make my debut as a director," he said.