Dual‑audio means the same video file includes —usually the original language (Hindi, in this case) and an alternate language (often English or a regional Indian language). Users can switch between them without changing the video file.

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The film follows a humanoid alien (PK) who lands in Rajasthan for research but gets stranded when his spaceship remote is stolen. His attempts to find "God" to help him get home lead to a massive national movement that questions organized religion and superstitious practices.