My dear friend.........

To bring your wife on a visit visa, you don't need yours sponsor's letter ie; NOC.

What you need is:

1. An attested Marriage Certificate from the Ministry of External Affairs and from the Ministry of Home Affairs from your country of origin followed by an attestation from the embassy of your country in Doha and an attestation from the Ministry of External Affairs Qatar.

2. Passport copies of your wife and yourself, with your RP Copy.

3. Bank Statement for the last 6 months stamped by an authorized signatory of the bank.

Hope this helps..

Have a nice weekend...........