This command copies the video and English audio from the first input and adds the Hindi audio as a second track, setting the first track (English) as the default.
You may also find dual audio versions of "The Man From UNCLE" on various movie download websites. These are often labeled with keywords like or "The Man From UNCLE Dual Audio Hindi 720p BluRay" . However, you should be aware of the significant risks involved: The Man From UNCLE English Dual Audio Hindi --INSTALL