You may be aware of the fact that Youtube is temporarily accessible across Pakistan on various ISP’s.
We have also checked and we are able to get full site access without any proxy.
It is not yet confirm that Pakistan Telecommunication Authority (PTA) have granted permission to unblock youtube however as of now it is confirm that youtube is accessible due to technical glitch which is being fixed.
As of now Youtube is still blocked in Pakistan according to PTA.
It is worth mentioning here that Supreme court of Pakistan have recently accepted petition for hearing on plea to unblock youtube in Pakistan.