??? The subject matter has been further strengthened and many chapters have been re-written, incorporating the recent changes and developments in different economic sectors. ??? The concepts have been explained in a simple and lucid language. ??? A few more diagrams have been added to further explain the concepts. ??? Multiple Choice Questions and questions based on Higher Order Thinking Skills (HOTS) have been included. ??? Value Based and Evaluation questions have been incorporated as per the CBSE guidelines on design of question paper. ??? The key takeaways from every chapter have been given at the end of each chapter to help students recapitulate the text.