This refers to the high-octane Bollywood/action film Mission: Kashmir (a fictionalized title for this example, representing a high-profile regional blockbuster). The word is a psychological trigger. It suggests:
In the world of web servers, specifically Apache HTTP servers, "Index of" is a default directory listing page. When a website administrator fails to create an index.html file, the server displays an "Index of /" page, showing all folders and files within that directory. While intended for legitimate file management, these pages have become a haven for unintended data exposure. Hackers and digital scavengers use Google dorks (advanced search operators like intitle:index.of ) to find these unsecured directories containing movies, software, music, and sensitive documents. index of mission kashmir exclusive