Over the years, Indian stock market has grown tremendously in terms of market turnover, market indices and market capitalization. It features a developed regulatory environment, a modern market infrastructure, better allocation and mobilization of resources and a rapidly developing stock market. The application of other models and also examination of size effect for the portfolios along with seasonal anomaly will throw interesting light on the working of the an emerging market like India. The stock markets within a specific region as well as across different regions are found to be closely integrated, exhibiting uniform patterns of movement across different months and weeks. Stock markets within specific regions show no significant variation in volatility. However, there is significant variation in volatility in stock exchanges in different regions of the world. Hence, only a few companies selected on this study, future research will be focused on select with attempt to understand the seasonal pattern and extent of stock market volatility across time periods and across courtiers.