Originally Posted by Waqas Kandwal

These are not my optional subjects so i cannot suggest you anything. I have decided to opt public administration instead of Pl Sc.
I do not think there is objective part in PMS optional subjects. Just go through past papers to havr an idea.

I am consulting Ikram Rabbani book for Pak Studies and i have found this book comprehensive and well-written. For MCQs for Pak Study i would suggestt you not to rely on one book.