This paper presents fuzzy multi attribute valuation of new software projects in banking industry by balanced score card based on the fuzzy TOPSIS model which includes fuzzy real option. Balanced scorecard method is used to determine the decision criteria by applying survey to managers. The economic side of the evaluation is dynamic and risky in nature in software development projects. Fuzzy real options method is used for surmounting these risky situations. Hence the evaluation of the software development projects has many attributes to investigate; fuzzy TOPSIS method based fuzzy real options method is offered in this paper. There are three software projects to be evaluated and investment ranking will be made according to the result of the method offered in this paper.