Salam. Dear members.

I'm relatively new at this forum and seeking guidance for optional subject selection.
I have engineering background and So far I'm going with IR( Don't have a choice)
Applied Maths/Pure Maths ( I guess I can do this)
Punjabi ( Pretty close to me)

I'm bit tangled between Indopak, Islamic and USA History.
I've read different threads and concluded that its subject length vs scoring capability. Indopak does cover Pak affairs but is less scoring than US or Islamic history. But I wmy basic inspiration to go for Indopak is get knowledge about your continent where you've been living.

Can someone briefly guide me from CSS prospective?

It would be obliging.