PPSC Solved Past Papers MCQs, Everyday Science MCQs, PMS GK 2020 Solved Paper MCQsSoviet Union was replaced by Russian Federation in ?A. October, 1991 B. November, 1991 C. December, 1991 D. January, 1992 Continental Shelf limits of Pakistan is ?Settlement of border dispute and signing of boundary agreement with China proved a milestone in the history of Sino-Pak relations. Which of the following diplomats rendered his services to finalise the agreement?