"Time to prep for #Rangoon. Miles to go before I sleep. Keep it real you all. And believe. Because...," Shahid tweeted on Thursday.
The actor also shared a photograph in which he is seen with a beard. He seems to be brooding while looking outside his car's window.
To be helmed by acclaimed filmmaker Vishal Bhardwaj, "Rangoon" is a love story based in the 1940s, against the backdrop of World War II. It also stars Saif Ali Khan and Kangana Ranaut, and is scheduled to take off in early 2016.
Meanwhile, the much anticipated film "Shaandaar", which marked Shahid's first film after his marriage, bombed at the box office and also failed to impress critics as they described the movie as slow paced or avant-garde gone awry.
Treated like a fantasy film with a backdrop of an ostentatious Indian wedding, Vikas Bahl's "Shaandaar" also features Alia Bhatt, Sanah Kapoor, Sushma Seth and Pankaj Kapur among others. It was released on October 22.
