Some states have enacted enactments e.g;
The Weekly Holidays Act, 1942
'the National & Festival Holidays Act
THE KARNATAKA INDUSTRIAL ESTABLISHMENTS (NATIONAL AND FESTIVAL HOLIDAYS) ACT, 1963
Some states such as Himachal, Punjab, Orissa, Andhra etc. the state govts have enacted the national holidays act which is applicable to those states.
Maharashtra Public Holidays 2016 and 2017