Inquiry for teaching job/visa in doha

ciao all,
alright my contract will end march 2015 and i wont renew, my inquiries are as follows:
my working visa from my previous school will expire august 2015 because i arrived here august 2012 and i signed a three years contract, they wont release noc, and i want to apply to another schools, could i still stay in the country using my old visa or will be cancelled right away? what's the standard time framefor visa cancellation?
thanks,


Luricelle
[email protected]

You can transfer locally if your current employer allow you by giving NOC.