Book excerpt: The General Knowledge Update section enumerating important events during the current year forms a special feature of these books.The information on diverse subject is provided through Informative as well as Interactive approach.Perforated Answer Key at the end of the book facilitates both students and teachers 3. The information on diverse subject is provided through Informative as well as Interactive approach 4. Perforated Answer Key at the end of the book facilitates both students and teachers