AOA. I want to apply for the post of (Aviation division) i found its syllabus fpsc's web.

Part-I Grammar Usage, Sentence Structuring Part-II
Basic Arithmetic.
Current Affairs.
Pakistan Affairs & Islamic Studies
Everyday/General Science
Security Measures to maintain law & order.

i am familiar with CA, PA, GK, but how to prepare (security measures to maintain law and order) this is new thing for me. honestly speaking i don't know anything about this. please help me out, how i prepare this and what kind of questions would be expected from this portion...?
need your kind suggestions, i shall be grateful.