- Manager of mines
- Owner of mines
- Agent of mines
- Mines welfare fund organization
- None of these
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
“Medical Officer-in-charge” means a qualified medical practitioner employed, whether on a whole time or part-time basis, by the owner of a mine to perform the duties assigned to such officer these rules
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