Unlike YouTube or Spotify, the Internet Archive provides:
The complete 140-minute theatrical cut.
Note: Specific links change daily because they are removed for DMCA violations. A link that works today may be a 404 error tomorrow. ramaiya vastavaiya internet archive link
That being said, here are some possible reasons why "Ramaiya Vastavaiya" might be available on the Internet Archive: Unlike YouTube or Spotify, the Internet Archive provides:
As of this writing, searching the Internet Archive for "Ramaiya Vastavaiya" yields a mixed bag of results. While the official, copyright-cleared version is typically uploaded by the rights holders (Tips/ZEE), user-uploaded copies do appear periodically. Unlike YouTube or Spotify