![]() Coal India Coal India is an Indian state-controlled coal mining company headquartered in Kolkata, West Bengal, India. | ![]() BUMA International Group BUMA International Group (formerly Delta Dunia) is a holding company that offers coal mining services. | ![]() Inner Mongolia Dian Tou Energy Inner Mongolia Dian Tou Energy Corporation Limited (IMDTECL, 内蒙古电投能源股份有限公司) is a company that specializes in coal mining and energy distribution services. | |||
Founding Date | Founding Date 1977 | Founding Date 1973 | Founding Date 1973 | Founding Date 1990 | Founding Date 2001 |
Type | Type Private | Type Public | Type Public | Type Public | Type Public |
Tags | |||||
Locations | Locations Dhanbad, IN HQ Kolkata, IN | Locations Kolkata, IN HQ New Delhi, IN | Locations ID HQ | Locations Tongliao, CN HQ Tongliao, CN | |
Employees | Employees 950% increase | Employees 228,861 | Employees 4,216 | Employees 15,809 | Employees 8,65318% increase |
Financial | |||||
Revenue (est.) | Revenue (est.) ₹82.2m (FY, 2021) | Revenue (est.) ₹1.7t (FY, 2026) | Revenue (est.) $3.4b (FY, 2025) | Revenue (est.) $1.5b (FY, 2025) | Revenue (est.) ¥27.7b (FY, 2025) |
Cost of goods | Cost of goods ₹63.3m (FY, 2021) | Cost of goods ₹83.4b (FY, 2026) | Cost of goods $1.9b (FY, 2025) | Cost of goods $857.2m (FY, 2025) | Cost of goods ¥19b (FY, 2025) |
Gross profit | Gross profit ₹24.7m (FY, 2021) | Gross profit ₹1.7t (FY, 2026) | Gross profit $1.6b (FY, 2025) | Gross profit $664.5m (FY, 2025) | Gross profit ¥9.3b (FY, 2025) |
Net income | Net income ₹1.1m (FY, 2021) | Net income ₹310.7b (FY, 2026) | Net income $784.1m (FY, 2025) | Net income ($127.6m) (FY, 2025) | Net income ¥6.5b (FY, 2025) |

Coal India is an Indian state-controlled coal mining company headquartered in Kolkata, West Bengal, India.
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BUMA International Group (formerly Delta Dunia) is a holding company that offers coal mining services.
View company
Inner Mongolia Dian Tou Energy Corporation Limited (IMDTECL, 内蒙古电投能源股份有限公司) is a company that specializes in coal mining and energy distribution services.
View company