Pak Study MCQsWhere is headquarter of PTCL? Posted on April 6, 2021 by Rana Amir KhanA. Karachi B. Lahore C. Islamabad D. RawalpindiShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)