(formerly Disney+ Hotstar) has hosted Nickelodeon content in India with regional language dubs, including Tamil. Check their "Kids" or "Animation" section for language settings. Netflix India:
Avatar - The Last Airbender - தமிழ் #1 - ChennaiGeekz YouTube · Chennai GEEKZ avatar the last airbender tamil cartoon full
The Tamil version of the original cartoon has a history of limited and inconsistent broadcasting: (formerly Disney+ Hotstar) has hosted Nickelodeon content in
Aang searches for an Earthbending teacher and meets Toph Beifong; the group travels to Ba Sing Se. Fire avatar the last airbender tamil cartoon full