The search query you've mentioned, intitle:index.of mp4 avatar 2 telugu , is a technique known as Google Dorking
: Instructs the search engine to look for pages where the title contains the phrase "Index of," which is the default title for directory listings on web servers like Apache or Nginx.
: This term is often associated with directory listings or file indexing on computers or servers. In the context of web searching, particularly with "intitle:indexof," it usually relates to searching for a specific term within directory indexes or listings, often implying a search for files or directories.