| Trend in Accidents, Resultant Casualties and Rates in Coal Mines in India (1981 to 2001) | ||||||
| Year | Rates per ` 000 Persons Employed | Rates per Lakh Manshifts Worked | Rates per Million Tonne of Coal Raised | |||
| Death | Serious Injury | Death | Serious Injury | Death | Serious Injury | |
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