•Sample examples are given after topic for subject understanding. •Each chapter included “Topical Tests” to test the ability. •Important facts in the text have been highlighted in two colors. •“Additional solved examples” are provided at the end of the chapter. •Chapter Proficiency Test are covered given at the end of each chapter includes objective questions with multiple choice, previous years’ questions, single integer answer type, etc. •Hints & Solutions are provided at the end of every chapter with suitable figures, chemical reactions and formulas for understanding the chapter well.