This document summarizes the key aspects of the Employees' State Insurance Act of 1948 in India. The act established the Employees' State Insurance Corporation to administer an insurance scheme providing sickness, maternity, and employment injury benefits to employees. It applies initially to all factories with 10 or more employees. The act defines important terms like employee, wages, family, insurable employment and establishes the Corporation to centrally administer the scheme. It outlines the composition of the Corporation board including representatives of central and state governments, employers, employees and medical professionals.