"I have constantly been in contact with my CBI friends about their work and their role. If I have any doubt, I directly contact them to clarify it and correct my role," said Manoj.
'Special Chabbis' is a heist drama directed by Neeraj Pandey of 'A Wednesday fame'.
The film stars Akshay Kumar and Kajal Aggarwal in the lead with Jimmy Shergill, Manoj and Anupam Kher in supporting roles.
While Manoj is playing the real CBI agent, Akshay plays the fake one in the film set in the 80's. It is scheduled to release on February 8.