The bank will not give any assurance of case withdrawal until you reach them with all new documents directly in person , they will not accept emails or power of attorney also for assurance.

For that you have to check first your case status by your QID in Rayyan CEID with some of your friends. You will get a print out with all details. If case is there then ask your friend to go to al saad court give that paper to check the bail amount for that case number. Then reopen (re open = mu aarada in arabic) the case by paying 10 QAR re open charge + bail amount and keep the receipt. You can ask your friend to send you copy of bail receipt. Keep it and Then fly to qatar and in the immigration it will show you are on bail so they cannot arrest you. Then go to bank and submit new documents and reschedule the loan and withdraw the case. This is the way.