Your 2 to 3 meals mean nothing if you're not eating less than you should.

Yeah, could try increasing the cardio to 1 hour. You probably have to reduce the intensity to last that long though. I reckon that steady state cardio is the way to go. It is not going to burn more kcal/min, but multiply by more time means that you burn more kcal/day. I hope that makes sense.

It is not about the rice and/or meals per se. It is about total calories consumed. Less rice and a lot more lauk may actually result in more surplus calories, ironically.

-> noodles are also carbs; lesser carbs, more protein & greens is key
-> may want to consider adding HIIT workout or functional training into your workout regime
-> drink more water
-> it's okay to snack on some nuts, fruits, yoghurt etc
-> beer you can have it for your cheat day but the key is not to overdo it
-> even if you're having it only over the weekend, make sure to control your quantity
-> moderation is key

it's a change of lifestyle and not temporarily. Adjustments are hard but you'll get around it with consistency and persistency.

One step at a time change/ fine tune 1 thing at a time.

Oh yes, of course. If you get into weights training, it'll help you to build muscles.

A combination of HIIT (high intensity interval training) and weights training throughout the week is ideal. But if you enjoy running, just continue with it and add-on weights routine.

at 68kg and 19% bf...say u want to drop to 15%...ur weight would probably be around 63-64kg?...thats quite stick insect already at 173cm...

also 2 meals a day doesnt say much...cos its still calories in vs out...

3-5km in 30mins is quite a range...from a quick walk pace to a decent jog...
if 3km / 30mins better just extend to 6km / 60mins...
else that one 30min session u probably only burn like 150-200cal? 1 teh ais will wipe that out

well to 65kg...3kg a month is doable...
say 0.75kg / week...and 1kg of fat is 7700cal...so u need to be at deficit of about 800-900cal / day...and with only about 200 / day from exercise...means u have to eat less food
even then ur not losing 100% fat...always some muscle loss associated...

running alone won't lose that belly fat.
most importantly, u need to cut the sugar.
then maybe add some weight training and abs workout
what's ur visceral fat rating now?

It depends on your goal. Do you want to lose weight only or are you aiming for body recomposition ?

In that case I would recommend body recomposition. Lose weight and gain muscles at the same time 

Do cardio and resistance training. There are many ways to go about it.