Here is the procedure:
1. Go to Medical Commission office with the following documents
a. Original passport
b. Visa extension form duly filled-up
c. Copy of the visit visa
and don't forget to carry Credit/Debit/other card to pay the fee. It is QR 100, but no cash payment.
2. No need to carry photographs - it will be taken
3. Check the results here:
4. Go to immigration office with original passport, and visit visa extension form duly filled-up for the extension after appx 3 days. Extension may be allowed for one month or more.Again, no cash payment.