It is important to manage expectations. The Hangover Part III is widely considered the weakest film in the trilogy by critics.
If you can’t find the official Tamil dub, here are the to get a similar experience: the hangover 3 tamil dubbed upd
None of these offer a Tamil dub. However, you can turn on on Amazon Prime Video if available – this is the closest experience to understanding the film in your language. It is important to manage expectations
The Tamil dubbed version of The Hangover Part III is currently circulating on various third-party platforms. the hangover 3 tamil dubbed upd