While searching for a .mp4 file might lead to a dead end (or a "system alert" pop-up), the movie is frequently available on legitimate platforms. It often rotates through: (depending on your region).

Instead of a sketchy link, here is the real "story" of how that movie came to be and what you’re actually looking for: The Story Behind the Mask

You can often rent or buy the official Hindi dubbed version here for a small fee, which guarantees high quality and no malware. Google TV: Another reliable spot for the dubbed version.