This is a comprehensive and authentic text book. This book is specially meant for students pursuing B. Com under CBCS programme from Delhi University and other Central Universities throughout India. This book is written in a simple and lucid manner to understand the subject. Each chapter has been divided into main headings and sub-headings by using different paras and sub-paras. Provisions in detail have been discussed along with suitable illustrations. Summarised provision for easy learning have been provided at the end of the chapters.