Payment of Gratuity Act, 1972 extends to whole of India.
It applies to every factory, mine, oilfield, plantation, port and railway company, shop or establishment in which 10 or more persons are or were employed on any day of the preceding 12 months;
It applies to all such other establishments or class of establishments in which 10 or more persons are or were employed on any day of the preceding 12 months as the Central Government may, by notification, specify in this behalf.