Lop

The payroll of Hr is not any authority. The establishment has to subscribe to the enactments applicable to the establishment e.g: 

The Karnataka Shops and Commercial extablishment Act

Payment of Wages Act

Min.Wages Act etc

The way to calculate wages is:

Monthly wages as in appointment letter or CTC etc /26= Wages/day

Monthly wages as in appointment letter or CTC etc /26/8=Wages/hour

The weekly off/holidays are paid days.

The leave policy can provide for provisions inferior to enactments applicable to establishment, but can provide superiro benefits..............

if there is no snadwitch leave applicable then you can't apply.

In case of violation, the epnalty shall be imposed by Inspectors appointed under the enactments that apply.

You may check with:

Inspectors appointed under: The Karnataka Shops and Commercial extablishment Act

Or consult an able labor Law Consultant.