PPSC Past Paper Assistant Director (Labour and Human Resource ) 2019 Solved MCQs, Pak Study MCQs, PPSC Solved Past Papers MCQsWhen the office of chairman joint chief of staff committee was establish? Posted on April 15, 2021 by Rana TahirA. March 1971 B. March 1976 C. February 1977 D. July 1978Share 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)