It is said worldwide that “a stock market is a barometer of economy “. It is true with theoretical term. It means that stock market will perform only if that country’s economy is progressing. But sometime this statement doesn’t go with pace. Some country‘s stock market run abruptly though their economy was not performing. While some country’s stock Market not performed yet their economy goes excellent. This study will reveal where Indian market is in terms of market capitalization, volume on stock exchange and number of company listed on stock exchange. This study will also reveal GDP rate and its effect on stock market.