A Study on private sector banks in tirupur city is to analyze the impact of employee?s contribution on organizational effectiveness. The results obtained will be helpful to know about the expectations of the employees and to implement the development strategies of human resource. From the population of 250 a sample of 200 respondents was taken on random basis. A structured questionnaire was prepared and circulated among the employees and their feedback was obtained. The secondary data was collected with the help of books, internet and intranet. From the data obtained analysis is carried out with the help of statistical tools. Based on the information obtained current level of employee?s contribution is known and suggestions are given to develop the contribution level.