The Indian government, through the Department of Telecommunications and the Ministry of Electronics and IT, has actively blocked over 150 domains of Filmyzilla. The site frequently changes its domain extension (e.g., from .com to .in to .ad), but ISPs are ordered to block these mirrors immediately.
That being said, here's some general information about Dhoom 3 and the risks associated with downloading from Filmyzilla: Dhoom 3 Filmyzilla- Download
Instead of risking your device and the law, consider these alternatives: The Indian government
Piracy significantly harms the film industry and the people who work on these projects. How to Watch Dhoom 3 Legally (HD & 4K) from .com to .in to .ad)