If you're looking for a Hindi dubbed version of the movie, I couldn't find any official information on its availability. However, some third-party websites might have the movie uploaded with a Hindi dub.

That being said, I'll provide you with some general information about the movie and possible alternatives to access it.

"7G Rainbow Colony" is a 2008 Indian Tamil-language drama film written and directed by Selvaraghavan. The movie follows the story of a young man who falls in love with a woman from a different social class.

Regarding Filmyzilla, it's a website that provides free movie downloads, including Bollywood and regional films. However, I must advise you that downloading copyrighted content from such websites is not recommended, as it may be against the law and can harm your device with malware.