If you are going for programming, then you are safe, still lot of scope , because programmers are geographical independant and there are mostly software house working for use/uk/canada etc, so market is global and still lots of room, but if you go for CS and then Networking or DBA, then you will be busted, less jobs in PK, low salaries. If you want to go abroad then networking is good field but along with some additional certifications. Good luck