PPSC Past Paper Excise & Taxation Inspector D G Khan Region Excise, Taxation & Narcotics Control Department 2018 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsWhich country has highest Natural Gas reserves?A. China B. India C. Iran D. Russia Who is the author of the book Das Kapital?The sixth population census was conducted in 2017 in Pakistan after?