The "isaidub exclusive" tag usually indicates a version of the film that has been dubbed into regional languages, such as Tamil, for audiences who prefer localized audio. These versions are often sought after because:
A reluctant American attorney, Adam Ewing, witnesses the horrors of slavery. cloud atlas isaidub exclusive
They allow non-English speakers to follow the complex, multi-layered plot more easily. The "isaidub exclusive" tag usually indicates a version