Number of Fatal Roof Fall Accidents by Type of Roof Support in Coal Mines in India (2010 to 2014) | ||||||||||||
Support | 2010 | %age | 2011 | %age | 2012 | %age | 2013 | %age | 2014 | % | Total | % |
No Support | ||||||||||||
Timber Supports Only | ||||||||||||
Timber and Steel Supports | ||||||||||||
Roof Bolts and Others | ||||||||||||
Other Supports | ||||||||||||
Total |