The ESI Act, (1948) applies to the following categories of factories and establishments in the implemented areas:-
Non-seasonal factories using power and employing ten(10) or more persons Non-seasonal and non power using factories and establishments employing twenty (20) or more persons. The “ appropriate Government ” State or Central is empowered to extend the provisions of the ESI Act to various classes of establishments, industrial, commercial, agricultural or otherwise in nature. Under these enabling provisions most of the State Govts have extended the ESI Act to certain specific classes of establishments, such as, shops, hotels, restaurants, cinemas, preview theatres, motors transport undertakings and newspaper and advertising establishments etc., employing 20 or more persons.