| 251 | MAA GIRJA TRADING & INVESTMENT PVT.LTD. - U10101WB1995PTC069291 |
| 252 | MAA TARA COAL COMPANY PRIVATE LIMITED - U10100WB2010PTC147988 |
| 253 | MAA VINDHYA VASHINI COAL TRADING PRIVATE LIMITED - U10100WB2009PTC131803 |
| 254 | MADHABPUR COAL CO LTD - L10200WB1945PLC012217 |
| 255 | MAHABIR KAJORA COLLIERIES PVT LTD - U10109WB1945PTC012283 |
| 256 | MAHAKALI COAL MINES LIMITED - U10100WB1943PLC011353 |
| 257 | MAITHAN COAL CO PVT LTD - U10102WB1971PTC028013 |
| 258 | MAK COAL PRIVATE LIMITED - U10100WB2008PTC152492 |
| 259 | MANI MINING PRIVATE LIMITED - U10200WB2006PTC110887 |
| 260 | MANINDRA MINERALS PVT LTD - U10300WB1961PTC024962 |
| 261 | MARGRAF MANUFACTURING & TRADING INDIA PRIVATE LIMITED - U10300WB2011PTC162109 |
| 262 | MARK ENCLAVE PRIVATE LIMITED - U10101WB2010PTC143242 |
| 263 | MARODIA COAL INDIA PRIVATE LIMITED - U10100WB2009PTC139388 |
| 264 | MEDNIRAI COAL MINING PRIVATE LIMITED - U10100WB2009PTC138134 |
| 265 | MIDLAND COAL CO LTD - U10101WB1950PLC018999 |
| 266 | MINERAL DEVELOPMENT LTD - U10200WB1947PLC014921 |
| 267 | MINES & MINERALS PVT LTD - U10101WB1942PTC010907 |
| 268 | MINES OPERATORS PVT LTD - U10200WB1948PTC016666 |
| 269 | MINING ASSOCIATES PRIVATE LIMITED - U10200WB2003PTC096162 |
| 270 | MINING EQUIPMENT AGENCIES PRIVATE LIMITED - U10100WB2007PTC116742 |
| 271 | MINING GEOLOGICAL & METALLURGICAL INSTITUTE OF INDIA - U10200WB1909GAP001938 |
| 272 | MINOP INNOVATIVE TECHNOLOGIES PVT LTD - U10101WB2005PTC106728 |
| 273 | MINSOL INDIA PRIVATE LIMITED - U10300WB2011PTC162572 |
| 274 | MODHUJORE COAL CO PVT LTD - U10101WB1927PTC005750 |
| 275 | MOIRA MADHUJORE COAL LIMITED - U10100WB2009PLC140050 |