- MMR 1961
- Mines Act 1952
- Mines Rules 1955
- All above
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
They shall apply to all mines to which then Mines Act 1952 applies.
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