The director of the movie Farah Khan took to Twitter to share the news with fans.
"Maybe a good day to announce on #9YearsOfOmShantiOm that it's being made into a huge musical in japan!@iamsrk @deepikapadukone @rampalarjun," she tweeted.
Apart from Shah Rukh, 50, the movie also starred Arjun Rampal as the antagonist and marked Deepika Padukone's Bollywood debut.
The reincarnation drama was set in the retro era of Bollywood with SRK playing the role wannabe actor and a superstar in his rebirth.