nothing to carry only receipt, and as i understand that ur wife is already here on visit visa, just go alone pay 200 for the visa and 500 to convert the visit visa to family visa dnt forget to caryy to visit visa copy, once done take ur wife for medical (visa copy+ 100Qr. to be paid by ATM card), in 2 days u will receive one sms about her test ok or nt, once ok print the form n go for fingerprint. then to emigration to get her ID.