The idea of making Ra.One originated while he was watching a commercial on TV six years ago. Sinha said, "The commercial dealt with two kids controlling a human with a remote. It was fascinating, and the visual stayed with me for some time." Sinha wrote a three-page short story based on the commercial, which he felt was good enough to be made into a film.
In the song "Criminal", the girl wearing the panty has "Crimnal" written on it, without an "i". Later in the song, on the same girl's panty, the mistake is corrected & now the panty has "Criminal" written on it, with an "i".
In the train sequence, the train travels from Bandra to CST. This is the harbor line route of the Mumbai locals. None of these harbor line trains have 12 coaches, while the train in the movie had 12 coaches.
Yes, the latest TV spots & trailers shows "Also in 3D".... so it has been officially announced now. ~~UPDATE~~ Yes, it will be in 3D & will be released simultaneously on October 26th Worldwide.
Does Akon features in the Soundtrack of the movie? If yes, are they originally created for the movie & how many?
Yes, the soundtrack has two tracks by Akon, Chammak Chhallo & Criminal. Both have been composed by Vishal Shekhar. Although the Ra.One Album features various versions of both the songs. Both the song will also feature in the movie.