Applicability for PF
• Every establishment that is a factory engaged in any industry specified in Schedule 1 and employs 20 or more persons.
• Any other establishment employing 20 or more persons, which the Central Government may specify by notification in this behalf.
• Any establishment employing even less than 20 persons can be covered voluntarily under section 1(4) of the Act.
Applicability for ESI
Is extended in an area-wise manner to factories using power and employing 10 or more persons, and to non-power using manufacturing units and establishments employing 2 or more persons.