Contact email id: coaljunction@mjunction.in
Toll Free Helpline Number: 1800 - 419 - 20001 (Excluding Public/Scheduled Holidays)
Registration (Spot):
| Name | Contact No. | Fax |
| Prateek Bose | + 91 9231000427 | 033-66106396 | 033-66106297 |
| Bhanu Prakash Tiwari | +91 9231025131 | 033-66106217 | |
| Joji Joseph George | +91 9231023984 | 033-66106277 | |
| Avik Das (Renewal) | +91 9163348020 | 033- 66106174 | |
| Arijit Paul (Renewal) | +91 9231003542 | 033- 66106288 |
Registration (Forward):
| Name | Contact No. | Fax |
| Sohini Chakrabarti | +91 9163348125 | 033-66106251 | 033-66106297 |
| Avik Das | +91 9163348020 | 033- 66106174 |
Bidder ID Cards:
| Name | Contact No. | Fax |
| Arijit Paul | +91 9231003542 | 033- 66106288 | 033-66106297 |
| Prateek Bose | + 91 9231000427 | 033-66106396 |
EMD:
| Name | Contact No. | Fax |
| Archi Choudhury | +91 9163348123 | 033-66106397 | 033-66106297 |
| Kanika Gupta | + 91 9231024331 | 033-66106152 | |
| Kaushik Mitra | + 91 9163348091 | 033-66106194 |
Auction:
| Name | Contact No. | Fax |
| Archi Choudhury | +91 9163348123 | 033-66106397 | 033-66106297 |
| Kanika Gupta | + 91 9231024331 | 033-66106152 | |
| Kaushik Mitra | + 91 9163348091 | 033-66106194 |
Refund:
| Name | Contact No. | Fax |
| Souvik Ghosh | 033- 66106130 | 033-66106297 |
| Archi Choudhury | +91 9163348123 | 033-66106397 |
Complaint Resolution:
| Name | Contact No. | Fax |
| Kaushik Mitra | + 91 9163348091 | 033-66106194 | 033-66106297 |
Business Related:
| Name | Contact No. | Fax |
| Maulesh Desai | +91 9231050073 | 033-66106149 | 033-22883536 |
| Deepak Bhattacharyya | +91 9231050068 | 033-66106168 |