ADVISE FOR HADHI

I actually written a long advise for you Hadhi.. but due to technical fault, it went missing and I have to re-type. So... Here we go..Aagaaiinn...It may not be word by word the same but the objectives/points are there.
First and foremost, I would like to apologise for the late reply...I was very busy with "urusan rumah" especially with the schools had just re-started/opened.
Ideally, I would suggest you to drop everything and pursue your passion...but we have to see where we are living..We are talking about Sg...and its not as easy as it seems.
I understand that you have already gone through your Building course for over a year now. I suggest you complete your course even though I understand it is not into your liking. It would be better to have a certification rather than none. Try your best to get distinctions but if you only managed passes for all your subjects...Well, I guess that's good enough considering you have to force yourself into studying something that is not your passion.
You are young (but that doesn't mean you can throw your life away)...You have time.
Serve your NS and along the way you'll find what's really interest you and you'll find out what's your passion. Once you know it, pursue it. In no time, you'll find yourself having more than 1 certification.. and God knows, you can combine the 2 certifications/qulifications and knowledge and do something that really drive you.
In terms of religion approach, I highly recommend you to Solat Hajat & Istiharah... Insya Allah...
Wallahu a'lam bisawab