The keyword you used is a classic example of "celebrity spam." It works like this: Spammers know that thousands of people search for the name "Revathi" daily to check for her new movie, interviews, or photos. By adding the word "f***ing video" to the title, they are able to bait people with the promise of explicit content, but the user is actually led to a malware website, a pornographic page not related to Revathi, or a video of a completely different person.
Search engines like Google have teams that work to remove such spam, but new fake links appear daily. The best protection is to on suspicious links or search for terms that combine a celebrity's name with a shocking or non-existent phrase. malayalam actress revathi fuking video
In this case, the complete absence of evidence from any credible source strongly indicates that this is a fabrication. The keyword you used is a classic example of "celebrity spam