Shri. Varghese Mathew is very correct.
I wish to give only value addition to his reply. The ESI Act applies to any premises / precints wherein 10 (20 in three states) or more persons are employed. The appropriate government -,state or central is empowered to extend the provisions of Act to various classes of establishments, industrial, commercial, agriculture or otherwise in nature.
Under those enabling provisions, most of the state governments have extended the Act to certain specific classes of establishments, such as medical & educational institutes, shops, hotels, restaurants, cinemas, preview theatres, motor transport u/ts, news papers & advertising estb. etc.
Also Allahabad HC held that the word "otherwise" is of wide amplitude covering all other establishments including educational institutions.
Medical and educational institutions established and run by Ramkrishna Math & Ramkrishna Mission are excluded from ESI coverage.
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