This document provides an overview of the nature of companies under Indian law. It defines a company as an association of individuals formed for a common purpose to share profits and losses. The key characteristics of a company are that it is a separate legal entity, has limited liability for members, can have perpetual succession, can hold property separately, and shares can be transferred. The document also discusses exceptions where the corporate veil can be pierced, such as to protect revenue or prevent fraud. It distinguishes companies from partnerships and outlines the history of company law in India.