| Number of Roof Fall Accidents by Method of Work in Coal Mines in India (2010 to 2014) | |||||||||
| Method of Work | 2011 | %age | 2012 | %age | 2013 | %age | 2014 | %age | Total |
| Board and Pillar Development | |||||||||
| Longwall Development | |||||||||
| Depillaring | |||||||||
| Caving | |||||||||
| Stowing | |||||||||
| Total Depillaring | |||||||||
| Longwall Depillaring | |||||||||
| Caving | |||||||||
| Stowing | |||||||||
| Total Longwall | |||||||||
| Other Places | |||||||||
| Total | |||||||||
