The training, performance appraisal, organizational support, and compensation are playing a very important role in enhancing employee service behavior in the police department. The main objective of this study is to examine the impact of training, performance appraisal, and organizational support on employee service behavior, with the mediating role of compensation. Data was collected from the employees of Punjab police through the questionnaire. The partial least square structural equation modeling (PLS-SEM) has been employed for data analysis. The results of the study found a positive and significant relationship between training, performance appraisal, organizational support, and employee service behavior. Furthermore, compensation plays the mediating role between training, performance appraisal, organizational support, and employee behavior in Punjab police, Pakistan. As per the findings of the study, employee behavior can be improved with the help of training, performance appraisal, organizational support, and compensation.