Arjun in Robot?????

Director Shankar's mega budget movie is doing all the talkings in the film circle. With only the hero and heroine names announced, the other cast and crew for this mega budget movie is still in hibernation but everyone is having their guesses. Now, it is heard that Action King Arjun would be roped in to play a pivotal role in the movie. Some others say that he might play as the villain. But none can be confirmed until Shankar opens his mouth.