PPSC Past Paper Social Security Officer in PESSI – Labour and Human Resource Department 2018 Solved MCQs, Pak Study MCQs, PPSC Solved Past Papers MCQsIndus Water Treaty, the agreement pertaining to water apportionment, was signed by India and Pakistan in?A. 1958 B. 1960 C. 1962 D. 1973 Name of the longest river in Pakistan?Which of the following is called the brain of computer?