hi friend am not sire about the airport visa and transit visa, to me transit visa is only applicalbe for whites,

well at the end of the day if you have no way to get him in , the better option i choose wil be ou can seek the help of Gulf Horizon hotel doha, they issue visa , it iwill be a bit expensive, but things go smooth ,
i think it will cost you arounf 1500,

thanks

raj