Searching for free downloads of Insidious: Chapter 3 in Hindi via sites like Filmyzilla is highly discouraged due to legal and security risks. Filmyzilla

You can check Amazon Prime Video to rent or buy the digital version of the film, which often includes multiple language tracks, including Hindi.

To find out which legal platform currently streams or rents the movie in your region, you can check real-time tracking websites like JustWatch. If you want to know more about the movie, tell me: Share public link