For The Hangover Part III , the demand is specific. Unlike the first two films, which aired on TV frequently, the third film is often harder to find in a high-quality "Dual Audio" format on standard public platforms. This leads users to search specifically for the "audio track"—a separate file containing just the Hindi sound—to merge with their video file.
Official Hindi-dubbed versions are most consistently found via physical retail: Amazon India: You can find the Hangover Part 3 (Hindi movie VCD) or DVD sets from sellers like INDIAN CD STORE Sony DADC Release: Hindi Audio Track For Hangover 3