Use below format if you need NOC from your sponsor/employer

NO OBJECTION CERTIFICATE

To whom it may concern

This is to certify that (your name), holding (nationality)Passport No. XXXXXXXXXXX is working under our sponsorship, and we have no objection over her getting married here in Doha.

This certification is issued upon the request of (your name).

_______________________
Name of Authorized Signatory
Designation
Stamp