In today’s scenario, finance plays an important part in everyone’s life. In order to avoid different types of problems in life, the person should invest the money in different types of avenues. The present study concentrates on the relation between the investor behavioral biases and their investment decisions. The information was gathered from 500 investors. The investors who invest through LSC Securities ltd in Punjab were considered. The multiple regression tests were used through SPSS to test the relationship among the factors. There was a relation between the behavioral biases of the investors and their investment decisions. There was positive relation among overconfidence bias and regret bias and investment decisions. There was no relation among conservatism bias and herding bias and the investment decisions.