Abdulrahmankky - Why are you asking? Why not just direct him/her on hows it done? So many people come here asking for guidance and help but more often than not just get pointless responses.

Munanaqvi - When you first come to Qatar you have to get your fingerprints taken at the CEID - this is where you go to request a PCC. when you enter this building go straight, up the few steps and turn right. Goto the desk and collect a ticket to be seen. You must fill out the police clearance form and take with you. You can print it from:

http://www.moi.gov.qa/site/english/departments/CEID/resources/2010/08/25...

You will need a photocopy of your passport, Qatar ID, 2 passport photo's & 10 riyals charge (only payable via debit/credit card)

Another useful link:

http://www.wikiprocedure.com/index.php/Qatar_-_Obtain_Police_Clearance_/...

It takes 5-7 days to obtain (they dont tell you this!) and will give you a slip, return and collect and then you have to get it attested. Goto Ministry of Foreign Affairs - Attestation Department.