dear sir/ma'm,
i have passed MCS from BZU multan in 2012,basically my background is computer science field after ICS.i have much trouble about the selection of subjects.
i am not familier with the following subject except computer science:

International relation
sociology
public administrator
computer science

kindly, tell me the best grouping subject which i could easily clear/qualify these subjects further no trouble will be overhead.

secondly,tell me the best grouping subject who gave me the great scoring.