The book covers all the aspects of Data Interpretation & Data Sufficiency. The book is divided into 5 chapters. Each chapter describes the concepts related to the chapter along with numerous Solved Examples. The theory portion is followed by 5 levels of exercises in each 1. Concept Applicator 2. Concept Builder 3. Concept Cracker 4. Concept Deviator 5. Concept Eliminator The past questions of major exams like CAT/ XAT/ IIFT/ SNAP are covered in the book.