There are many studies on Stock Market anomalies, Returns, effects of good and bad news, Budget Effects, Effect of Change of Governments on stock markets and many more. This book is based on Certain effects on some stocks in Indian stock Market specially on BSE and NSE stocks during a particular period. This book is a comprehensive book for academicians, investors, managers handling stock market related subjects. It was submitted as a dissertation in Bharathiar University, Coimbatore, TN, India in the year 2007. It may be useful to the Research Scholars, Post graduates in Commerce, Business Administration, Corporate Secretaryship who are pursuing research on stock markets.