Instead of risking your device's safety on Filmyzilla, you can watch the hilarious antics of Lambodar Chacha (Paresh Rawal) on legitimate platforms. The movie is frequently available on: Check your regional library for HD streaming.
The best way to enjoy a movie is by choosing legal and safe platforms that support the creators. Here are several official alternatives where you can find and watch Bollywood movies, including older classics:
Piracy directly damages the film industry. When movies are pirated, the producers, actors, technicians, and thousands of behind-the-scenes workers lose out on their rightful revenue. High piracy rates make it harder for filmmakers to secure funding for future creative projects. How to Watch Atithi Tum Kab Jaoge? Safely and Legally
That being said, I'll provide you with some general information about the movie and suggest alternative ways to access it.