Not sure about the exact location of the scheme 3 branch. Never been.lol but i have seen their party makeup on cousins and friends and I think they do a good job.they have the contact number on their fb page..probably the address too.
Edit
got this from the fb page
H#304, St#14, Chaklala Scheme 3, Rawalpindi Cantonment, Punjab, Pakistan-46000
0515468602. 03015555600. 0515599214.