Hi bumika78,
I can tell you that here at InMotion Hosting we only make changes / execute requests from the account owner - specifically the user that is paying for the domain name / hosting account. If the account is in your name and you are paying for it, in my opinion technically the content on the server is yours and you are entitled to decide who else has / does not have access to it.
If your hosting provider is not helping you, you may need to seek legal help.
On a side note, and maybe a more important note, your hosting company may have not had anything to do with the duplicate site. Anyone with a basic understanding of setting up a website and registering a new domain can copy all of the html and images from your website to duplicate the website - again you don't need to contact a hosting company in order to copy the images and html to duplicate a website.
I hope this helps! Thanks - Brad
I have a signed contract with my web host provider in my name.The website was registered to my company ( even if you still lookup on whois ) .
The host provider has duplicated my website to the person who introduced me to him at the start. The provider is saying he is in the right because he thought I am the same as this person as he introduced us in the first place and I had given this persons address to send the invoice to. The domain registration and hosting fee was personally paid for and signed by myself.
Sorry if that is confusing. I am not an expert and I am counting on you experts out there to help me get my host provider to take down the duplicate website registered domain he has put up. Theother website is identical in everything other than my website is a .com and the other site .com.au. where all my contact details have been deleted conveniently. The product brand in question was also designed by myself. I have registered for the trade mark after finding out about this website. Please HELP.

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