The Internet Archive (archive.org) is a non-profit digital library offering free public access to millions of movies, music, books, and software. It is famous for the Wayback Machine. However, it is not a pirate site.
You might think the Internet Archive is safe because it looks academic. But downloading a 2014 Bollywood film from there is a legal gray area.
You can copy and paste the following lines directly into the search bar of the Internet Archive or Google: humpty sharma ki dulhania internet archive google full
For Broad Results:
Humpty Sharma Ki Dulhania 2014
For Full Movie Specifics (Internet Archive):
Humpty Sharma Ki Dulhania full movie
For Google (targeting Archive links):
site:archive.org Humpty Sharma Ki Dulhania The Internet Archive (archive