The promulgation of Employees' State Insurance Act, 1948 envisaged an integrated need based social insurance scheme that would protect the interest of workers in contingencies such as sickness, maternity, temporary or permanent physical disablement, death due to employment injury resulting in loss of wages or earning capacity. the Act also guarantees reasonably good medical care to workers and their immediate dependants.

Following the promulgation of the ESI Act the Central Govt. set up the ESI Corporation to administer the Scheme. The Scheme, thereafter was first implemented at Kanpur and Delhi on 24th February 1952. The Act further absolved the employers of their obligations under the Maternity Benefit Act, 1961 and Workmen's Compensation Act 1923. The benefit provided to the employees under the Act are also in conformity with ILO conventions.

Below are some of the ESI Acts: