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Published on: Sep 25, 2026

ESI Registration Criteria

The Employee State Insurance (ESI) is a self-financing social security and health insurance scheme for Indian workers. Initially applicable only to factories with 10 or more employees, the ESI scheme now encompasses a broader range of establishments. Currently, any factory or establishment employing 10 or more persons and offering wages up to Rs.21,000 per month must obtain ESI registration. For a step-by-step guide on how to register, visit our ESI Registration Process Guide.

Definition of Factory Under the ESI Act

A factory under the ESI Act is defined as any premises where 10 or more persons are employed, with or without the aid of power, and where any manufacturing process takes place. This includes factories with multiple departments involved in manufacturing activities. Seasonal factories, which operate no more than seven months a year in activities such as blending or packaging, are also covered. Mines and railway running sheds are excluded from this definition. Regardless of whether all employed persons are involved in manufacturing, if a facility employs 10 or more individuals on any given day, it qualifies as a factory under this act. Explore how specific locations, like Nanded, apply these definitions.

Definition of Establishments Under ESI Act

Establishments, as per the ESI Act, are organized bodies or institutions, not necessarily limited to physical premises. Such entities are required to obtain ESI registration if they employ 20 or more individuals. Establishments with fewer than 20 employees earning below Rs.21,000 monthly are exempt. Additionally, all shops, defined broadly by the Supreme Court as premises where economic activities lead to sales or purchases, fall under the scope of ESI, including service providers like consultancy services and advertisement agencies. However, educational institutions, hospitals, and certain professional offices are generally exempted from registration requirements. For more specific guidelines relating to geographical variations, see our comprehensive Uttar Pradesh ESI guidelines.

Employee Count for ESI Registration

ESI coverage for a factory or establishment includes counting various categories beyond directly employed persons:

  1. Workers on leave with or without pay.
  2. Temporary or substitute workers employed for wages.
  3. Company directors receiving salaries from the payroll.
  4. Individuals earning over Rs.21,000 per month, although non-eligible otherwise.
  5. Contracted workers supervised directly by the employer.

It's important to note that apprentices or trainees learning the trade under approved schemes are excluded from these calculations when determining ESI obligations. For a deeper understanding of the benefits tied to ESI registration, you can access the Benefits of ESI Registration resource.

For complete services across major cities, our ESI Registration Services page provides further insights. If you're located in regions like Thiruvananthapuram or Aligarh, check out how our services can assist your local compliance.

To explore all the advantages offered by ESI, consider visiting our ESI Benefits List.

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Frequently Asked Questions

Common questions about ESI Registration Criteria for Establishments in India.

According to the article, any factory employing 10 or more persons drawing wages of up to Rs.21,000 per month must obtain ESI registration. The minimum number of employees required for a factory to be covered under the ESI scheme is 10.
A factory is defined as any premises where ten or more persons are employed or were employed for wages on any day of the preceding twelve months, and a manufacturing process is being carried on. On the other hand, an establishment is an organized body of men or women or an institution, not necessarily confined to a premises or place. The key distinction is that a factory involves a manufacturing process, while an establishment does not necessarily require manufacturing.
Yes, the definition of a factory under the ESI Act includes a seasonal factory which works for a period not exceeding seven months in a year and is engaged during that period in any process of blending, packing, or repackaging of tea or coffee or other manufacturing processes notified by the Central Government.
No, not all employees working in a factory are considered for ESI registration. The article mentions that while counting the number of employees, apprentices or trainees undergoing training and learning the trade under an approved scheme will not be counted for determining the coverage of a manufacturing unit or an establishment.
Yes, shops must also be registered under the ESI Act if they employ 20 or more persons drawing wages up to Rs.21,000 per month. The Supreme Court has held that the word "shop" should be construed liberally and includes premises where economic activities leading to sale or purchase are carried on.
No, while considering the coverage of shops, educational institutions, hospitals, dispensaries, offices of Auditors and Solicitors, Chartered Accountants and private commercial hospitals are excluded from the definition of a shop under the ESI Act.
Yes, directors who are on the payroll of a company are to be counted while determining the coverage of a factory or an establishment under the ESI Act.
Yes, persons employed by or through a contractor and working under the direct supervision of the employer are to be counted while determining the coverage of a factory or an establishment under the ESI Act.
No, the definition of a factory under the ESI Act does not include a mine, subject to the operation of the Mines Act, 1952, or a railway running shed.
Yes, persons drawing over Rs.21,000 per month as wages, but not coverable otherwise, are to be counted while determining the coverage of a factory or an establishment under the ESI Act.