This document discusses project appraisal from various aspects. It defines project appraisal as the pre-investment analysis of an investment project to determine its commercial and socio-economic feasibility. It distinguishes project appraisal, which is pre-investment analysis, from project evaluation, which assesses post-investment achievement. The document outlines the needs for project appraisal from the individual, lender, and national perspectives. It describes the different aspects of project appraisal, including technical, marketing, financial, managerial, and environmental considerations. Finally, it provides details on evaluating specific technical aspects like raw materials, manufacturing processes, technology, and costs.