How long will it take to get exit visa once it is initiated?

Hi, my friend's iqama expired by Nov 11,2017 and his employer applied for final exit visa by oct 20,2017. But he still didn't his exit visa paper in hand till now(Dec 05,2017) and he is having emergency to come back to India as soon as possible. What can we do on this? Can someone help

Can someone help us on this query? He still didn't get his final exit visa