You can check for multi-audio support (including Tamil) on the Apple TV Store, though availability varies by country.
Music is the soul of Rab Ne Bana Di Jodi , and the Tamil-dubbed track handles this brilliantly. The original hits are re-recorded or overlaid with Tamil lyrics that retain the original meter and feel. Rab Ne Bana Di Jodi Tamil Dubbed Audio Track... 40
The Tamil voice actor needs to capture the stark contrast between the shy, introverted Surinder Sahni and the flamboyant, energetic "Raj." You can check for multi-audio support (including Tamil)
To help find the exact file or solution you need, could you share a bit more context? Let me know: introverted Surinder Sahni and the flamboyant