The risk factor of investment leads the investors to judge their financial status. Investors who are ready to take high risk they can commonly invest in a stock market financial instrument to accomplish their financial goal. The goal of the investors is getting a good return for their investment. The Investors who are ready to take risk they measure the market profit level on the source of risk and return and based on this they can modify their investment. In this research risk is projected using beta of all Sectorial indices of NSE with respect to nifty and also the performance of different stock will be rank on the basis of sector and year wise. The study examines the volatility and the risk level of NIFTY50 by using Beta. By using the beta we can examine the NIFTY50 five sectors and also five years volatility and level of risk for that we can take returns of NIFTY50 and Sectorial indices, for the calculation of beta take the monthly average of return with the help of formula (slope, return on indices : return on NIFTY 50) we can get the beta. This study also deals in CAPM Model to analyses the level of risk , return & also volatility of stocks. The model describes the connection between systematic risk and expected return for stocks, particularly stocks.              

Keywords: Stock Return, Volatility, CAPM, NIFTY50, Financial Goal.