Research suggests that employees’ role and level in organization influence reactions towards performance appraisal system (PAS). The present study investigates fairness perceptions of PAS among supervisory (appraisers/appraisees) and non-supervisory employees (appraisees) in the civil service of Pakistan. Data was collected from civil servants working in the two departments in far flung district Dera Ismail Khan, Khyber Pakhtunkhwa. T-test of significance was performed to test the hypothesis in of the study. The results revealed that there was significant difference of fairness perceptions among supervisory and non supervisory employees working in the two public sector departments. And supervisory employees perceive the system fairer as compared to non-supervisory employees. In the article we discuss literature of organizational justice and fairness of PASs. Subsequently, we discuss methods, limitations and directions for future research in the PAS of the civil service.