PPSC Past Paper Excise & Taxation Inspector Region (LAHORE) Excise, Taxation & Narcotics Control Department 2018 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsOtto Von Bismarck was?A. Great historian of Great Britain B. Emperor of Austria C. Chancellor of the German Empire D. Czar of Russia King The Crops which is sown with the commencement of Monsoon is?The first UN Conference on Environment and Development was held in 1992 at?