Karthi’s ‘Sardar’ digital rights sold before the completion of the filmSouth actor Karthi was most recently seen in the film ‘Sulthan’ and the film was a triumph for the actor. After which he will be seen on the screens with the film ‘Viruman’ and ‘Ponniyin Selvan’. Both the movies are under after creation and ‘Ponniyin Selvan’ is set to release on September 30. The actor []