This document provides an overview of industrial relations. It defines industrial relations as the relationship between management and workers in an industrial organization. It discusses the key parties involved - employers, employees, unions, and the government. It describes different approaches to industrial relations like unitary, pluralist, Marxist, and systems approaches. It also covers important IR concepts like employees, employers associations, trade unions, courts and tribunals, causes of poor relations, and strategies to improve relations. The goal of IR is to maintain harmony between the parties and ensure uninterrupted production.