Why not
ask nic.in to remove it? Or whoever is in charge of .in names.
India's government has issued a warning to users of www.copyright.in, which it says is “creating a false impression that it is the official website of the copyright registration office in India and inviting applications for protection of the various works i.e. literary, artistic, dramatic, musical, sound recording and …
From a quick look their problem is that it isn't really a "fake" site or pretending to be a government agency, it's just providing a service of very questionable value and not mentioning that you can go direct to the government copyright office yourself. Rather like the hordes of unofficial passport and driving licence application sites we're plagued with in the UK, that seem to put most of their effort into getting higher up the search engine rankings then the official sites.