taxi drivers knows where is the Medical commission.. just bring the passport and printed visa write your mobile number.. then pay QR100 then wait for the text from METRASH register your mobile no. .. finger printing is somewhere in Salwa road.. bring the passport and the RP application for from MOI. visit the MOI site for application of RP then print it out it is needed in finger printing and the immigration..wait for SMS or visit the MOI website for the result then if it is ok bring the Passport and applied RP form from MOI site with picture attached...then go to gate no. 2 in the immigration dept. depends how many years of RP validity.. there is 1, 2 and 3 years.. 1 year is QR500.