Mankatha is a film.
Enthiran ( Robot ) is a 2010 Indian Tamil-language science fiction film directed by S. Shankar and co-written by him and Sujatha Rangarajan . It won two Indian National Film Awards , three Filmfare Awards , seven Vijay Awards and two Screen Awards . Mankatha is a 2011 Indian Tamil-language black comedy action-heist film , written and directed by Venkat Prabhu . The film was formally launched in August 2010 , with its principal photography beginning on 25 October 2010 . Mankatha released on 31 August 2011 worldwide to generally positive reviews and grossed the second biggest opening of all time after Endhiran at the time of release .