If you can't find the Tamil dub on major platforms, try searching for the Original Thai version with English/Tamil subtitles
Released in 2008, is a visually arresting martial arts prequel that transports the franchise from contemporary Bangkok to 15th-century Thailand. Directed by and starring the legendary Tony Jaa , the film is celebrated for its brutal, meticulously choreographed fight sequences and stunning cinematography. Ong Bak 2 (2008) - IMDb
The Tamil dubbed version of "Ong Bak 2" is available on various online platforms, but I must remind you to be cautious when downloading content from the internet. It's essential to prioritize your device's security and respect the intellectual property rights of the creators.