There is no perfect order to rely on but there are a few suggestions. Here are a couple of potential exam order strategies:

Strategy 1 (FAR-focused): FAR → AUD → REG → Discipline
Strategy 2 (Balanced approach): FAR → REG → AUD → Discipline

Though these are strategies you can adopt, which is followed by most people, it completely depends on your comfort.
If you want to get the more tougher subjects out of the way first, you can start with FAR.
If you want to start out with something less hefty, you can go in for AUD
and if you want to start with something new, being an international student, you can start with REG.

We reccomend leaving discipline for last, as you get an idea of the subjects after attempting the core paper which can assist you to chose your discpline better.

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