Vivek Oberoi who entertains audience by playing gangster role in films says that he loves to play role of real life on screens. Vivek in an statement said, 'Gangster and real life characters always excite me as an actor. Vivek will be seen playing role of don Muthappa Rai in Ram Gopal Varma directed film 'Rai'. Vivek said, 'To portray a larger-than-life character like 'Muthappa Rai' on the big screen will be a challenging task.'