Both are different. Performance appraisal is held at regular intervals, wherein increments are linked to the performance of the employee concerned. Thus, performance appraisals are individual in nature. Salary revision is the result of wage fixation through collective bargaining by the union, usually after the expiry of the existing award or settlement on wage fixation. Therefore, salary revision is universal in nature and is linked to factors like cost of living and industry norms, etc.
B. Saikumar HR & Labour Law Advisor Mumbai