This is an eBook.The First Book with a collection of UPSC Prelims General Studies Papers of 38 years (1979-2016); A repository of 4500+ actual UPSC questions.It is unique in the sense that almost all questions are supplement with detailed explanationsThe book has been broadly distributed in 7 sections to facilitate study in an organized manner.Questions from 1979 to 2016 (latest) of Prelims with detailed solutionsThe most efficient learning tool to master the prelims syllabus in the shortest possible timeComplete background information on important issues and concepts arising in the questions are givenThe only source to build an unmatched mastery over the subject’s areas including both the static and the dynamic aspectsIt not only covers the entire syllabus but also presents everything that is important for the exam perspectiveAnalytical presentation of subjects for a sound understandingNeedful maps, graphics, tables and images have been presented, so a candidate is not required to consult other sources.It tunes your brain to the same wavelength as that of the examiner who sets the questionsEqually useful for Prelims an Mains because of its format and presentation