Time to process visit visa?

My wife and kid's visit visa was approved by MOFA for 90 days on 22 April. Is there a limit of days that within X no of days she must apply for visa in Pakistan.( i have heard within 30 days we must apply for visa processing) . plus the agency is asking for 9 thousand rupees to process  per visa thats for three visas 9000 rs, is that amount right or is there any agency  that charges less?? i would be grateful for ur help

W.salam.. you heard it right bro, within 30 days u hav to apply for stamping in Pakistan.. and the charges apply around 9 to 10k.. after stamping they probably got 60 days in which they hav to come here..

sir anybody know address or directions to jawazat office in riyadh? i will be going there in riyadh for my wifes visit visa extension. please help. thank you