1st and foremost you should have right amount of courage to able yourself in acing this exam. Next goal is to acheive error free english which needs alot of work(myself going through this stage). Everyone has his/her own timetable, I myself am trying to do G.K and English everyday aiming till the time of Papers. Then for optional you should set a fortnight to cover your optional, Pak Affairs, Isl and Language. I will give the advice for setting your own timetable that suits you the best.
For subject you should consider your main by taking in account your past education and also go through the tranding marks scoring subjects. This is just a rough idea. Hope you get a lil bit idea.
(Sorry for bad english)


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