- CIM
- RIM
- CIM & RIM
- Central govt
- Competent Authority
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Provided further that in the case of a woman in employment on the 1st June, 1963 as crèche-in-charge in a mine, this provision may be relaxed with the approval of the Competent Authority subject to such conditions as may be specified.
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