Success in examinations depends on proper planning of studies and appropriate selection of study materials. The pattern of examinations become tough. This is the reason that a right choice of study materials plays a very important role. This book cover thoroughly all the basics of the whole course as well as present to the examinee a wide spectrum of the multiple choice questions having a huge variety. The author has made a sincere attempt in this direction in the present book. Various unique features of the book are as under for example : A brief review of concepts at a glance covering all fundamentals and important conclusions are given at the start of every chapter. Chapters are classified under different units. Multiple choice questions in every chapter are arranged in a systematic and sequencial way covering the whole text and spectrum of the chapter. Answers are provided at the end of every chapters. Model Test Papers covering the whole syllabus are also provided at the end of the book again with their answers. These papers will prove to be fit for examination and provide a chance to students in assessing their level of preparation. The present book is self-sufficient in all respects.