helo please give me a advise?

Hi,

Please advise me what should i do ? I taken up a job with a dubai based company in the year 2008. I got my credit cards from  Bank, immediatley after recession my company fired me in the month of march, 2009 by saying do not require any more due to bankruptcy. As i never dream t of loosing job, i spend ed out my crdit cards of amt 90000AED. Since i was unable to reply to  bank, n came back , now  bank is has appointed highly illiterate collection agency locally in my place they are warning me that i will be getting arrested for non payment. As i dont have a good job in india i cant re pay but yes i do want to pay them back. I also want to go back to dubai n work but dont knw why UAE govt has made this kind of rule where there is a hatred. there are thousands of people who want to re pay but UAE bank is not giving any option to re pay. so i got a job offer in qatar . so will it a problem cuming to qatar , please advise me iam in bad situation .