Bollywood superhero movie Ra.One, which is scheduled to release this Diwali, is nearing its release date, but superstar Shahrukh Khan and director Anubhav Sinha are still spending sleepless nights over the movie. The Bollywood actor is busy promoting it, while the director is involved in its post production works.

Ra.One is Science-fiction flick, which is considered as the first of its kind in Indian Cinema. It is also touted to be the most ambitious project of Shahrukh Khan. Besides spending crores together on the movie, he has also been busy finding new ways to promote it.

Shahrukh Khan has left no stone unturned to make Ra.One a Blockbuster movie. In addition to tying up with several brands, the King Khan has been visiting several cities across India and holding promotional activities. Along with it, he is also keeping an eye on the finishing touch of the film.

Meanwhile, Anubhav Sinha and his entire team is working 24/7 on its post-production. Earlier, he had promised that he would get the print of the film by October 15, but he says it is not too late. Currently, he is working on the subtitles and 3D works of different versions like Hindi, Tamil, Telugu and English. Although the movie Ra.One is ready to go for print, he says that he will not let go till he is completely satisfied with it.