I suggest you to don't file your case now! Because holidays are there in 2-3 days! So it may be chances in refusal. Get your LOA for next intake from college hopefully it'll may 2020, get submit your caq along!
Thanks
Your Gap would be Justifiable! Because of your degrees and diplomas. And your band score is good!
The course your are choosing should be relevant to your education!
If you want to get more information our team will grateful to help you!