| Owner-wise Production of Coal from Belowground Workings by Mechanisation and Method of Work in Coal Mines in India (2004) | |||||||||
| (In Tonne) | |||||||||
| Owner | Total Below Ground Output | Machanisation | Method of Work | ||||||
| Fully Mecha- nised | Semi Mecha- nised | Manual | Board & Pillar | Longwall | |||||
| Solid Blasting | Others | Develo- pment | Depillaring Caving/ Stowing | Splitting as Final Operation | |||||
| BCCL | |||||||||
| CCL | |||||||||
| ECL | |||||||||
| MCL | |||||||||
| NCL | |||||||||
| NEC | |||||||||
| SECL | |||||||||
| WCL | |||||||||
| CIL | |||||||||
| IISCO | |||||||||
| J&K Min. | |||||||||
| SCCL | |||||||||
| TISCO | |||||||||
| India (Coal) | |||||||||
