This book focuses on various Physico Chemical and instrumental techniques and their wider application for large number of drugs. The book is conveniently divided into several chapters each chapter dealing with a method of instrumental analysis. The book gives a review of several conventional methods like UV Visible and Flourimetric Spectroscopy and also deals at length the new techniques like HPLC Quality evaluation of herbals etc. The book is also useful to analysts and quality control staff of Pharmaceutical industry. Main Highlight Topics have been written in easy to understand and simple language with special emphasis on pharmaceutical applications.