The search query intitle indexof mp4 "chennai express" exclusive
When a web server misconfigures its directory permissions, instead of showing a pretty webpage, it displays a raw list of files and subfolders. The default title of such a page is often Index of / or Index of /folder-name . By searching intitle:"index of" , you are asking Google to find these raw directory listings.
In simple terms, intitle:index.of is a search operator that looks for web pages with the words "Index of" in their title. These pages are typically directory listing pages on web servers.