Superstar Rajinikanth, who is currently busy shooting for Tamil actioner “Lingaa”, will be seen in dual avatar in the film. He will be playing a district collector and an unknown role in a flashback sequence. “Rajini sir is playing double role in the film. He plays a district collector in the present day of the story, while he will be seen in a different role in the flashback sequence. The makers have kept it a secret,” a source from the film’s unit told. Rajinikanth and the rest of the crew are currently shooting in Hyderabad. Bollywood actress Sonakshi Sinha is paired with the superstar. Directed by K.S. Ravikumar, “Lingaa” also features Jagapathi Babu in an important role. A.R. Rahman is composing the tunes for the movie.