Confirming this, Varma said: "'Attacks of 26/11' is also in English. The film is the same, it is just that the lines are in English and Nana and other actors have spoken their lines in the Queen's language."
The English version "will release across the world", added the filmmaker who earlier brought underworld crime saga on the big screen through "Satya", "Company" and "Sarkar".
In "The Attacks of 26/11", based on the 2008 Mumbai terror attack in which 166 people were killed, Nana plays joint commissioner of police facing an enquiry over the attacks, while Sanjeev Jaiswal will be seen as terrorist Ajmal Kasab, who was hanged recently.
The film also features Atul Kulkarni and Ganesh Yadav.
Nana said: "I do not know how to speak English. I mugged up my lines and said them in English."
Releasing March 1, the crime saga will hit the screens with 1,100 digital prints and 165 analogue prints in Hindi and Telugu languages.
However, the release date for the English version has not been decided yet.