Ra.One (Hindi: रा.वन; full: Random Access–Version 1.0) is a 2011 Hindi science fiction superhero film written and directed by Anubhav Sinha. The film, which features Shahrukh Khan in dual roles, as a game developer and his superhero look-alike G.One, also stars Kareena Kapoor, Armaan Verma and Arjun Rampal as the titular game villain Ra.One. Shahana Goswami, Dalip Tahil and Chinese-American actor Tom Wu appear in supporting roles, along with Rajinikanth, Sanjay Dutt and Priyanka Chopra making guest appearances. It is jointly produced by Eros International and Khan\\'s production company, Red Chillies Entertainment, and was originally scheduled to release on 3 June 2011. However, due to extensive post-production work involving special effects and the 3D conversion, its release was postponed. Development of the project commenced in 2004 when Sinha wrote a three-page short story based on a commercial he had seen. Upon finalizing the story, pre-production work began after the release of Khan\\'s Om Shanti Om in 2007,with principal photography commencing in March 2009. In July 2011, it was announced that the entire film would be converted into 3D. With an estimated budget of around INR175 crore (US$39.03 million), Ra.One overtook Enthiran (2010) to become India\\'s most expensive film to date. Prior to its international release of 26 October 2011, the film had multiple premieres in Dubai, London and Toronto during the period of October 24 - 26. The film released across 5,000 screens worldwide in 2D and around 600 screens in 3D, along with its dubbed versions in Tamil, Telugu and German, making it the largest Indian cinematic release in the world. Upon release, the film garnered positive to mixed reviews from critics worldwide.

Releshed Date  26 - October - 2011