Name the combination you want
Telugu audio with English subtitles and a Hindi dub are different choices. Decide what the people watching prefer, then inspect the track list for the offer. The language of the page is not the language of every available video.
Original language is not the whole track list
Catalogue language identifies the production. A selected service can supply different audio and subtitle editions. Check the exact film or episode rather than carrying assumptions from another offer.
Read from the viewing position
If the app allows subtitle customization, try size, contrast and a text background. Make the choice while sitting where you will watch. A tablet close to your face and a television across the room need not use the same text size.
If captions disappear
First confirm the intended episode and track. Reopen the track if it has failed to load. A persistent timing or availability problem belongs to the video service, not the catalogue’s country setting.
For a group with different preferences
Agree on the soundtrack and text before starting. A quick check avoids pausing later to repeat dialogue somebody could not follow. For another edition, retain the same production name while comparing tracks.