This article focused on investors’ investment decision making towards mutual funds by using of financial tools and ratio analysis of mutual fund schemes (Infrastrucure Fund Schemes of selected banks (State Bank of India, Canara Bank- Public Bank, ICICI Bank, HDFC Bank-Private Bank).The objective of this research work is to exploits the use of statistical tools and ratio analysis in terms of financial performance of selected mutual fund schemes through the statistical parameters (Standard Deviation, Beta and Alpha) and ratio analysis (Sharpe Ratio, Treynor Ratio, Jenson Ratio, Information Ratio).The results of the research work concern Among the Open ended – Infrastrucure Fund Schemes The research findings are useful to the investors in terms of understanding the financial performance of the mutual fund schemes. Also the research findings are useful to the Mutual Fund Companies in terms of Behavioral aspects of mutual funds. Keywords: Mutual Fund, Infrastrucure Fund, Ratio Analysis, Statistical Tools.