Apply for the family visa in the Ministry of Labour (MOL) -  just pls. check if the MOL still handle family visa as 4 months back there was a news that it will be transferred with the MOI. You can download the application form from from the site of the MOL and you will see in the form the documents required like RP, passport, marraige certificate, birth certificate, electricity bills and others. (If you cannot download the form, you can take a copy from the guard). Fill up the form and have it signed by your sponsor. Then submit it together with the required documents to the MOL, you can check on line after 3 days if it's approve or not. May you be blessed to have an approval, otherwise take an appointment for an interview by a MOL officer for the completion of any requirements not fulfilled.