If The Hangover 2 gets an official Tamil dub in the future, Part 3 will likely follow. As of now, no announcements have been made.
Most of these dubs are recorded on a phone pointing at a TV screen. The audio is out of sync, the Tamil voice acting is amateurish, and the video resolution is often 360p. To enjoy the cinematography of Bangkok, you need HD—which the dubs rarely offer. Hangover 2 Tamil Dubbed Online