What dual audio means
Dual audio means a movie is offered with two or more soundtracks, usually Hindi and the original language. On streaming services you choose the track in the player.
Hollywood in Hindi
Blockbusters such as Avengers: Endgame, Interstellar and Spider-Man: No Way Home are usually offered in Hindi and English, and often in Tamil and Telugu too.
South Indian films
Films such as RRR and Kantara are often offered in Hindi, Telugu, Tamil, Kannada and Malayalam.
Subtitles
Subtitles can be combined with any audio track. Open the speech-bubble menu in the player to choose them.