Manpower clearance for doctors

Hi Mr sumitran
I m Dr from Pakistan , got offer from muscat private sector hospital. cleared exam formalities and medical.My employer has applied for manpower clearance in June. In July they said it's just a week time they will get it but till now they couldn't.
for doctors what is the routine time to get labour clearance or there may b other reasons i-e rejection for clearance.want your expert opinion.
Thanks

Helo senior members , waiting for reple