Performance appraisal has emerged out to be one of the most crucial functions of a human resource department in any organization, as it manifests to be one of the core provider of inputs for further decision making as regards training and development to be imparted as well as compensation management. in this regard, there is a necessity to have a sound understanding about the applicability of various traditional and modern methods of performance appraisal, and their relative superiority. The present article lays an emphasis over some modern techniques of performance appraisal, while trying to address issues of subjectivity, bias, cost, and feasibility.