Number of Fatal Roof Fall Accidents by Nature of Fallen Strata in Coal Mines in India (2010 to 2014) | ||||||||||||
Nature of Fallen Strata | 2010 | %age | 2011 | %age | 2012 | %age | 2013 | %age | 2014 | % | Total | % |
Coal | ||||||||||||
Shale | ||||||||||||
Sandstone | ||||||||||||
Coal and Shale | ||||||||||||
Coal and Sandstone | ||||||||||||
Shale and Sandstone | ||||||||||||
Total |