This question is already answered.Refer to the below link:
http://tradingqna.com/754/which-are-the-top-books-one-should-read-become-better-trader?show=754#q754
One of the best book on technical analysis I know is “Practical Application of Elliott’s Wave Principles by Deepak Kumar”.
This book is written by one of the best Elliott Wave Theory Analysts in India Deepak Kumar and he is also providing 02 months Free Elliott Wave Analysis Report of Nifty as Practical Training support. You can search for it Google.