Don't leave Doha, Search an alternate job here only.

Obtain written permission from your current employer to join the job until they call you back.

In this manner, you can continue paying the EMIs to the Bank and can save some money too.

Don't loose hope, just be courageous.. this is a temporary phase of life.. market will be better after a few months.

Also, if possible, cut down your expenses and try to settle your loan at the soonest possible.

All the best !!