Dear, screening test for the post of assistant in Nhq includes several contents. you should have basic knowledge of computer science, current affairs, pakistan affairs, general knowlegde, a little bit every day science and islamiat. dont forget to have an overview of english grammar concepts. Test would be of 50 marks.
candidates who will qualified first phase should be called for interview, after that next phase will be psychological test and then security clearence. once all done an offer letter should be issued, which will be replied and then final medical. After that a joining letter will make you capable enough to join NHQ in civilian administration. Hope, information will help all candidates apperaing for the post. Best of luck.

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"Patience Ensures Victory" Hazrat Ali ( A.s)