1-Passport/QID for both of you

2-Consent letter from your Father/male guardian to be stamped and notarized from your Embassy in Qatar.

3-NOC letter from your sponsor (Inquire w/ your HR dept. if you're working)

4-2 male witness if female at least 4...

5-Your "Mahar" or "Dowry" this is between you and your fiancee upon agreement, which to be stipulate in your contract.

Best wishes!