well, I was not among cheated people, so I have no element to proof what I said...but for all those who have been cheated and have substantial elements like payments, e-mail not answered, complains..I would suggest you to file a case at Qatar Ministry of Economy and Commerce, you can do it online also. This is the link: http://www.mec.gov.qa/English/Pages/Home.aspx
it is available also in arabic.