Bonjemehari Coal Mine

This article is part of the Global Coal Mine Tracker, a project of Global Energy Monitor.

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Bonjemehari Coal Mine is an operating coal mine in Asansol, Paschim Bardhaman, West Bengal, India.

Location

Table 1: Project-level location details

Mine Name	Location	Coordinates (WGS 84)
Bonjemehari Coal Mine	Asansol, Paschim Bardhaman, West Bengal, India	23.769704, 86.877669 (exact)

The map below shows the exact location of the coal mine:

Loading map...

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Project Details

Table 2: Project status

Status	Status Detail	Opening Year	Closing Year
Operating	–	–	–

Table 3: Operation details

Note: The asterisk (*) signifies that the value is a GEM estimated figure.

Capacity (Mtpa)	Production (Mtpa)	Year of Production	Mine Type	Mining Method	Mine Size (km2)	Mine Depth (m)	Workforce Size
0.9	0.32	2023	Underground	Bord and Pillar	–	300.0*	476*

Table 4: Coal resources and destination

Total Reserves (Mt)	Year of Total Reserves Recorded	Total Resources (Mt)	Coalfield	Coal Type	Coal Grade	Primary Consumer/ Destination
12.0	–	–	Raniganj	Subbituminous	Thermal	–

Table 5: Ownership and parent company

Note: To access more comprehensive data on energy ownership, please visit the Global Energy Ownership Tracker.

Owner	Parent Company	Headquarters
Eastern Coalfields Ltd [100%]	Coal India Ltd [100.0%]	India

Table 6: Historical production (unit: million tonnes per annum)

ROM or Saleable	2017	2018	2019	2020	2021	2022	2023
ROM	–	0.45	0.41	0.34	0.07	0.14	0.32

Note: The above section was automatically generated and is based on data from the Global Coal Mine Tracker May 2025 release.

Background

Bonjemehari coal mine is operated by Eastern Coalfields Limited, a subsidiary of Coal India, near Asansol, Paschim Bardhaman, West Bengal, India.

The mine is part of Cluster No. 3 (ECL). Eastern Coalfields Limited, a subsidiary of Coal India, operates the Cluster 3 coal mines.

• Sponsor: Eastern Coalfields Limited
• Parent company: Coal India
• Location: Paschim Bardhaman, West Bengal, India.
• Coordinates: 23.769704, 86.877669
• Status: Operating
• Production: 0.41 million tonnes (2020)
• Reserves: 11.78 million tonnes (Proven and Probable, 2013)
• In service:
• Permits:
• Coal type:
• Mining method: Underground
• Source of financing:

Articles and Resources

Additional data

To access additional data, including an interactive map of world coal mines, a downloadable dataset, and summary data, please visit the Global Coal Mine Tracker on the Global Energy Monitor website.