My brother went through this horror of a process at Islamabad. Here is what happened.
The Swiss embassy charged him 1000CHF for the cost of verification that also includes the TA/DA of the lawyer for him to come to our town and to covers his taxi bills, lunches and such. So he got a call from Swiss lawyer (Waqas) saying that he wishes to visit him the next day and he should be picked up from the bus station (Daewoo adda)

....(What happened to the TA/DA that the lawyer will additionally get from the 1000 CHF?

) He arrived at 11 am even though he promised to be there at 7am (knowing well that all the offices close at 3PM so the verification can't be completed in three hours and my brother's case will be further delayed for many months but he doesn't give a **** about it, all he was looking for was to make some extra $$$$ from us apart from the 1000 CHF. He mentioned this himself saying,"Oh, rest of the people gladly give gifts and cash for my trouble. You can give what you can too"). My brother was furious but what can one do? Now in these three hours that were left, the lawyer made us rush to all your neighborhood to find two witnesses

(Hello.....by 11:30am, everyone is at work

) and made them write their statement in Urdu (Who writes in Urdu anymore????? but you can tell that this shady looking lawyer can't speak English) and then he will sip his chai and gulp the biscuits and take the statements (in urdu again

) of the parents of the applicant. So its already 1pm. He said to my bro that the applicant has to accompany him for verification (meaning drive me around in your car


). He dragged him to all the educational institutions (Hello???? this is an application for family visa, why is the education verified????). He then asked to be taken to the Courts to verify the domicile, to NADRA to verify the birth certificate, to police headquarters to verify the criminal record and such. Since he started this process at 1pm, some part was left and he said, "oh, I know some people here so I will just verify things over the phone. Just take me to the Bus station (Daewoo) and I'll take your statement". So he did that and then said, "Oh I have to buy a return ticket now and it costs so and so. Do you have some cash to spare". If you ask how long it will further take to get the background check completed, he will say, check in 45 days. Then he will say, since some of the work is not completed, I will have to ask some other people to assist me to get your documents verified and for their trouble, can you spare some more $$$. He also said to my brother that if he wants to expedite the whole process, he will have to spend more money cause there are a total of four people involved in this process.
God luck dealing with Islamabad guys.
Rest assured, once he left, my brothers verification was still not completed for next 4 months.