The book is a reformatted version according to the rationalised content in the latest NCERT textbook. Basic Concepts given at the beginning of each chapter provide an overview of the chapter. NCERT exercises are given chapter wise which are completely solved. Important NCERT Exemplar problems and other NCERT based questions are also included with solutions. Competency Based Questions which include Multiple Choice Questions , Assertion Reason Questions,Fill in the blanks,True False and Case Study Based Questions are also given according to NEP. Multiple Choice Questions from CBSE Question Bank are also included. Each Chapter ends with ?Questions for Practice?.