Since Warner Bros. has licensing deals with Disney+ Hotstar in India for certain classic titles, this is the first place to check. Search for "Charlie and the Chocolate Factory" and select the (usually located in the settings/CC menu).
The demand for is part of a larger trend. Following the success of Spider-Man: Across the Spider-Verse and Leo (Tamil dubbed from Hollywood) , streaming services are realizing that South India is a massive market. charlie and the chocolate factory tamil dubbed