"Sci-fi film scares me. Sci-fi films are very expensive and need a lot of time. There was a market research recently and that reads that in India, the sci-film audience are very less then any other genres," the 47-year-old told reporters Sunday.
Directed by Anubhav Sinha, "Ra.One" was co-produced by SRK's Red Chillies Entertainment and Winford Productions on a budget of over Rs.100 crore. The film released last year on Diwali, but failed to set off fireworks at the box office.
Despite being scared of the genre, SRK says that he won't stop making such films.
"But I will certainly try to carry forward the work of making such films because till the time we don't make such movies, then how will the audience like it. So I will definitely make it," he said.
He was in the capital to promote his this year's Diwali release "Jab Tak Hai Jaan", which hits screens Tuesday. He was accompanied by his two leading ladies from the film - Anushka Sharma and Katrina Kaif.