The book is a detailed aspect of costing, which covers each and every features of costing. Each costing  method discussed in a systematic and logical manner. This book was prepared by constant and endeavor work of the author during 2005 to  2009 for Post Doctoral Research. No other author  has analyzes and studied costing in as much as done in the present book. Thus, it is an outstanding and first in its approach. B.Com, BBA, BE, M.Com, MBA, CA, ICWA students, research scholars and professors of our universities will find this book useful in their courses.