Ra.One is the most awaited Bollywood film of 2011. Starring superstar Shah Rukh Khan, Kareena Kapoor, Arjun Rampal and Armaan Verma, Ra.One is a sci-fi film which blends technology and family. Huge investment, large promotions, presence of foreign experts and the stardom of SRK make it special. This article is a complete review of Ra.One. Summary, characters, actors, story, dialogue, direction, music, action, visual effects etc are reviewed.