translation.en: They basically are stuck there until someone can wake them up in the real world. So in the movie, even though it was only a few hours of real time, two of the characters spent fifty years in the "limbo" world, where they had to construct it based on their shared memories.
translation.hi_en: woh fass jaathe hai, jab tak unhe koi nai jaga tha aur duniya me le aatha.is movie me bale asli duniya kuch ghante ke liye hai ,par do character pachas saal "limbo" duniya me tha, gayee yaadon par banan pada.