good day to u. dont be any hurry in coming back to doha since i read in the yahoo news front line issues last nov 12, 2010 the visit of our beloved emir and his wife in british. TO SCRAPPED SPONSORSHIP OF THE EMPLOYEER to foriegn workers. this is now in the process of further studies by the supreme council. you can come back to doha again without waiting for 2 yrs ban, without NOC from previous employeer, but if your visa was cancelled due to criminal record, sorry to say you can't come to doha anymore. hope your visa was cancelled only due to a valid reason...tell your friend to up date you whats happening and the latest issue here in doha.dont loose hope and god bless.