Central Coalfields Limited
E662242
Central Coalfields Limited is an Indian state-owned coal mining company and a subsidiary of Coal India Limited, responsible for coal production and operations in parts of Jharkhand.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Central Coalfields Limited canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7400323 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central Coalfields Limited Context triple: [Bokaro coalfield, administeredBy, Central Coalfields Limited]
-
A.
Northern Coalfields Limited
Northern Coalfields Limited is an Indian state-owned coal mining company and a major subsidiary of Coal India Limited, primarily operating large open-cast mines in the Singrauli coalfields.
-
B.
Eastern Coalfields Limited
Eastern Coalfields Limited is an Indian state-owned coal mining company and a subsidiary of Coal India Limited, primarily engaged in coal production in the eastern region of the country.
-
C.
Bharat Coking Coal Limited
Bharat Coking Coal Limited is an Indian government-owned coal mining company and a subsidiary of Coal India Limited, primarily engaged in producing coking coal from mines in the Jharia and Raniganj coalfields.
-
D.
Coal India Limited
Coal India Limited is a state-owned Indian coal mining company and one of the largest coal producers in the world.
-
E.
Consolidation Coal Company
Consolidation Coal Company was a major American coal mining company that played a significant role in the development of coal towns and the coal industry in Appalachia and other U.S. regions.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Central Coalfields Limited Target entity description: Central Coalfields Limited is an Indian state-owned coal mining company and a subsidiary of Coal India Limited, responsible for coal production and operations in parts of Jharkhand.
-
A.
Northern Coalfields Limited
Northern Coalfields Limited is an Indian state-owned coal mining company and a major subsidiary of Coal India Limited, primarily operating large open-cast mines in the Singrauli coalfields.
-
B.
Eastern Coalfields Limited
Eastern Coalfields Limited is an Indian state-owned coal mining company and a subsidiary of Coal India Limited, primarily engaged in coal production in the eastern region of the country.
-
C.
Bharat Coking Coal Limited
Bharat Coking Coal Limited is an Indian government-owned coal mining company and a subsidiary of Coal India Limited, primarily engaged in producing coking coal from mines in the Jharia and Raniganj coalfields.
-
D.
Coal India Limited
Coal India Limited is a state-owned Indian coal mining company and one of the largest coal producers in the world.
-
E.
Consolidation Coal Company
Consolidation Coal Company was a major American coal mining company that played a significant role in the development of coal towns and the coal industry in Appalachia and other U.S. regions.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
coal mining company
ⓘ
state-owned enterprise ⓘ |
| abbreviation | CCL NERFINISHED ⓘ |
| areaServed | Eastern India NERFINISHED ⓘ |
| country | India ⓘ |
| hasSubsidiary | Central Coalfields Limited Regional Areas (various mining areas in Jharkhand) NERFINISHED ⓘ |
| headquartersCountry | India NERFINISHED ⓘ |
| headquartersLocation | Ranchi NERFINISHED ⓘ |
| headquartersState | Jharkhand NERFINISHED ⓘ |
| industry | Coal mining ⓘ |
| languageOfWorkOrName |
English
ⓘ
Hindi ⓘ |
| legalForm | Limited company ⓘ |
| mainResourceExtracted | Coal ⓘ |
| operatesInState | Jharkhand NERFINISHED ⓘ |
| ownedBy | Government of India ⓘ |
| ownershipStructure | Wholly owned subsidiary of Coal India Limited ⓘ |
| parentOrganization | Coal India Limited NERFINISHED ⓘ |
| partOf | Coal India group of companies NERFINISHED ⓘ |
| product |
Coal
ⓘ
Coking coal ⓘ Non-coking coal ⓘ |
| regulatoryMinistry | Ministry of Coal, Government of India NERFINISHED ⓘ |
| responsibleFor |
Coal mining operations in parts of Jharkhand
ⓘ
Coal production in parts of Jharkhand ⓘ |
| sector |
Energy
ⓘ
Mining ⓘ |
| subsidiaryOf | Coal India Limited NERFINISHED ⓘ |
| typeOfBusiness | Public sector undertaking ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Central Coalfields Limited Description of subject: Central Coalfields Limited is an Indian state-owned coal mining company and a subsidiary of Coal India Limited, responsible for coal production and operations in parts of Jharkhand.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.