Please clarify your contract agreement, You mention that your Job Offer was here in Qatar. Your Salary Currency shows Dirhams and UAE rules applied. Take note, Qatar Currency is Riyals. 1 Qatari Riyals = 100 Qatari Dirhams. Therefore 3000 Qatari Dirhams is equal to 30 Qatari Riyals only. UAE is far from Qatar.

Good Luck