The file extension (.mkv) is a "container" that holds the video, audio, and any potential subtitle tracks together in one file. Why This Version Matters
When you see a long string of text like amba-1990-webrip-720p-hindi-aac-2-0-x264 , it is essentially a "spec sheet" for the video quality and format.
This specific file name refers to a digital copy of the , starring Amitabh Bachchan, Shabana Azmi, and Anil Kapoor.