The book has covered all aspects of the competitive exams as well as the Entrance Exams that are held across India. It is very useful and provides considated subject wise information and study materials for the students and the teachers as well. Unlike other books, this consolidated book has study materials even in Bengali apart from English. The study materials covers the following subjects; English, History, Geography, Physics, Chemistry, Biology, Political Science, Computer, Marketing. In short, this book covers all the exams starting from Public Service Commission, Staff Selection Commission, Co-Operative Service Commission, Municipal Service Commission and even the Preliminary Examinations for the Civil Services. The price of the book is just worth it.