This book is designed for the preparation of NDA/NA (National Defence Academy & Naval Academy) exams conducted biannually by the UPSC. This book is also useful for the preparation of CDS, Civil Services and other competitive exams. The book covers Geography, History, Polity, Economics and GK as a part of General Studies. The book comprises of previous years question papers of NDA/NA-UPSC and objective type questions at the end of every chapter. The book also contains the gist of many old question papers of NDA/NA-UPSC