SE Act Karnataka;
8. Extra Wages for Overtime Work: more than 9 hrs in any day or more than 48 Hrs in any week
pay wages twice the rate of his normal wages { check: calculated by the hour}.
You may check and confirm with SE Inspectorate and Labor Consultant well versed with Karnataka Labor laws.
https://labour.kar.nic.in/labour/karshopscommercial-1961.htm
The blanket exemption granted from IESO Act has ended in Karnataka. Hence employers may frame certified standing orders. If certified standing orders are not framed, model standing orders shall apply.
10. PUBLICATION OF HOLIDAYS: -Notice specifying the days to be observed by the Company as holidays shall be circulated and/or pasted upon a notice board provided that if any particular workman is required to work on holidays, he shall be notified to that effect in advance through a circular notices, he shall be bound to attend his duties on Sundays or Holiday and paid according to law in force.
17. Liability of 17[employer].--The [employer] of the establishment shall personally be held responsible for the proper and faithful observance of the standing orders.
The provision of National holidays are there in the State Shops & Commercial Establishment Act & the State Industrial Establishment (National & Festival Holidays and Casual & Sick Leaves) Act.
In accordance with National Holiday Act 1958, Section 3 Every employee shall be allowed in each calendar year a holiday of one whole day on [the 26th January, the first May, the 15th August and the 2nd October] and five other holidays each of one whole day for such festivals as the Inspector may, in consultation with the employer and the employees, specify in respect of any industrial establishment. In accordance with National Holiday Act 1958, Section 5, Notwithstanding any contract to the contrary, every employee shall be paid wages for each of the holidays
NATIONAL AND FESTIVAL HOLIDAYS27
Republic Day (January 26), Independence Day (August 15) and Gandhi Jayanti (October 2) are the three national holidays observed in India. On these days all institutions, irrespective of under which law they are covered, or whether they are public or private organizations or MNCs should necessarily remain closed.
You may look into:
The Karnataka Industrial. Establishments (National and Festival Holidays) Act, 1963, and
The Karnataka Shops and Commercials Establishments Act, 1961
National Holidays: These holidays are declared compulsorily and the establishments do not have flexibility in timing them
26th January, 1st May, 15th August, 2nd October and 1st November
Valuable advice of learned exerts/members is sought.