This is really excellent movie done acting by Akshay. His role is CBI officer and acted brilliant in the act. He is not an original CBI officer , he was the thief in the same movie.

Special 26, also known as Special Chabbis, is a 2013 Indian thriller heist film directed by Neeraj Pandey. It stars Akshay Kumar in the lead role with Manoj Bajpayee, Anupam Kher, Kajal Aggarwal, Jimmy Shergill and Divya Dutta in supporting roles. The film is inspired by the 1987 Opera House heist where a group posing as Central Bureau of Investigation (CBI) officers executed an income tax raid on the jeweler in Mumbai. Special 26 released on February 5, 2013 to widespread critical acclaim and was regarded as one of the best films of 2013