Audio Track Change from 1 to 2 (for dubbed Movies) which have 2 audio tracks in one video

How can i get audio track of a video (for dual audio (dubbed) movies which have 2 languages )
for example :
like subtitles we get subtitles from a video
also default audio track from a video ,
how can i get Both audio tracks if one video have 2 audio tracks for language ,
hope you guys understand what i am trying to ask .

this is for dubbed movies if anyone of you watch dubbed movies get understand what i want …