This document discusses ailing public sector undertakings (PSUs) in India. It outlines the categories of PSUs, names some major companies, and discusses investments and progress. It also covers the roles and challenges of PSUs, defines sick units, and outlines revival schemes. The document discusses policies around disinvestment of PSUs and names some companies that were disinvested. It provides opinions from experts on closing or selling sick PSUs. In conclusion, it states that government employees are not terminated for poor work and skills and strategies are not updated in sick PSUs.