Marriage in Qatar

You will get a certificate consumating the marriage. Which is a loegal document by the court of law. Marriages are handled by the Sharia Courts here in Qatar. But if you are looking for something from the Civil Courts, they will reffer you back to the Shariah Court as its the highest court of law for your requirement.

Of course it is!

There's no way it is illegitimate. It is also internationally accepted you just need to get English translation if required in non-Arab States.

international and local recognition.. is there a department of the government wherein you can check its record for authenticity??

ligetimate in what sense are your refering to internationally recogonised?