Your husband should have a minimum salary of QR 7000/month.

If his employer company agrees to provide him a family accommodation, then a lower salary range may also be acceptable.

He would need the following documents before applying:

NOC from his sponsor/employer.

Salary Certificate.

Bank Statement for the last six months.

Marriage Certificate duly attested by the Foreign Office of your country, your country's embassy in Doha & by Foreign Office Qatar.

Your Passport Copy.

Application Form properly filled up.

Hope it helps.