The book has been designed topic and subtopic-wise, keeping the students’ needs in mind. The current edition has certain unique features,This book is strictly as per the latest CBSE syllabus and covers complete matter as per the NCERT book.After every topic, objective type questions and case studies are given based on the latest CBSE Sample Paper (2020). (Hints of their answers are given at the end of each chapter.)At the end of each chapter, 40 objective type questions (20 MCQs + 10 Fill in the blanks + 10 True/False) are given along with answers at the end.