The topics have been arranged in the same order as given in standard textbooks, which would help you memorize them efficiently. Adequate explanations have been provided for each topic, obviating the need to refer to another book. Important tables and concepts have been included in this book. Solving these questions will help boost your confidence. It is crucial to remember that basic knowledge about the important concepts is the most relevant rank-deciding factor. Once the concepts are clear, the exam pattern does not make a difference.