| Owner-wise Belowground Employment and Output in Coal Mines by Degree of Gassy Seams in India (2003) | ||||||
| Owner | Degree-I | Degree-II | Degree-III | |||
| Employ- ment | Output (in Tonnes) | Employ- ment | Output (in Tonnes) | Employ- ment | Output (in Tonnes) | |
| BCCL | ||||||
| CCL | ||||||
| ECL | ||||||
| MCL | ||||||
| NEC | ||||||
| SECL | ||||||
| WCL | ||||||
| CIL | ||||||
| IISCO | ||||||
| J&K Min. | ||||||
| SCCL | ||||||
| TISCO | ||||||
| India | ||||||
