[Resolved]  Rex Enterprises — fraud company asking for money and threatening for legal actions

Few days ago i received the email for online form filling work, they ask to sign the contract for work after analysis through online complaint i came to know that they are fraud and issuing the same contract number to everyone (Contract no. Bz 31205) mine was also the same so that i sent the email regarding cancellation of work, they are demanding 4500/- and other legal charges, they are calling me again and again for demanding money and threatened for legal actions, i don't know what to do, i am fed up of their calls and email, i am so disappointed that why legal department is not taking action against such fraud people, people from different state is suffering from these people they are in depression, and some of the people are thinking of doing suicide, today i received the email that they sent the legal document at my home address, i am requesting you to please take necessary action against them. I am getting calls from [protected], [protected], [protected], [protected], i also asked about their company address but they are not disclosing... Please help me.