PPSC Assistant (BS-16)-(PESS) Labour And Human Resource – 2020, Pak Study MCQs, PPSC Solved Past Papers MCQsSubmarine cased in 1971 war was?A. PNS Ghazi B. NS Ghazi C. PSS Ghazi D. PSS Ghazi When 1956 constitution was presented in assembly?Which was introduced by Hazrat Umer (RA)?