Originally Posted by Tehseen Baber

It depends upon your aptitude and preparation method. Secondly, the time is too short, go for important topics by considering the past papers. For optional subjects consider: I.R, I.L, Business Ad, Psychology and any history subject you like.
Don't waste time on thinking, start your preparation from now on wards and let the time decide that whether you will be able to make it or not, just be consistent in your preparation.