South Eastern Coalfields Limited
E764780
South Eastern Coalfields Limited is one of India’s largest coal producing companies and a subsidiary of Coal India Limited, primarily operating in the coal-rich regions of Chhattisgarh and Madhya Pradesh.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Eastern Coalfields Limited canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T8879219 — 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: South Eastern Coalfields Limited Context triple: [Korba, hasCompany, South Eastern Coalfields Limited]
-
A.
Central Coalfields Limited
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.
-
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.
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.
-
D.
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.
-
E.
NCB (Coal Products) Ltd
NCB (Coal Products) Ltd was a commercial subsidiary of the UK’s National Coal Board responsible for marketing and distributing coal and related fuel products.
- 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: South Eastern Coalfields Limited Target entity description: South Eastern Coalfields Limited is one of India’s largest coal producing companies and a subsidiary of Coal India Limited, primarily operating in the coal-rich regions of Chhattisgarh and Madhya Pradesh.
-
A.
Central Coalfields Limited
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.
-
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.
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.
-
D.
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.
-
E.
NCB (Coal Products) Ltd
NCB (Coal Products) Ltd was a commercial subsidiary of the UK’s National Coal Board responsible for marketing and distributing coal and related fuel products.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
coal mining company
ⓘ
public sector undertaking ⓘ |
| belongsTo | public sector coal companies of India ⓘ |
| country | India ⓘ |
| hasAbbreviation | SECL ⓘ |
| hasCorporateForm | government-owned corporation ⓘ |
| hasEconomicImpact |
regional employment in Chhattisgarh
ⓘ
regional employment in Madhya Pradesh ⓘ |
| hasEnvironmentalResponsibility |
afforestation in mining areas
ⓘ
mine reclamation ⓘ |
| hasMainBusinessActivity |
exploration of coal
ⓘ
production of coal ⓘ sale of coal ⓘ |
| hasMajorStatePresence |
Chhattisgarh
ⓘ
Madhya Pradesh ⓘ |
| hasMiningOperationType |
opencast mines
ⓘ
underground mines ⓘ |
| hasSafetyFocus | mine safety practices ⓘ |
| headquartersLocation |
Bilaspur, Chhattisgarh
ⓘ
linked to:
Bilaspur
|
| industry | coal mining ⓘ |
| isPartOf | Indian coal sector ⓘ |
| isSubsidiaryOf | Coal India Limited ⓘ |
| languageOfName | English ⓘ |
| legalForm | limited company ⓘ |
| listedUnder |
Coal India group of companies
ⓘ
linked to:
Coal India Limited
|
| locatedInTimeZone | Indian Standard Time ⓘ |
| operatesInRegion |
Chhattisgarh
ⓘ
Madhya Pradesh ⓘ |
| ownership | Government of India ⓘ |
| parentCompany | Coal India Limited ⓘ |
| parentHoldingCompanySector | coal ⓘ |
| parentHoldingCompanyType | Maharatna PSU ⓘ |
| primaryResource | thermal coal ⓘ |
| product |
coal
ⓘ
coking coal ⓘ non-coking coal ⓘ |
| regulatoryBody | Ministry of Coal, Government of India ⓘ |
| regulatoryCompliance |
Indian mining laws
ⓘ
environmental regulations of India ⓘ |
| sector | energy ⓘ |
| servesMarket |
cement industry
ⓘ
industrial consumers ⓘ power sector ⓘ steel industry ⓘ |
| status | one of India’s largest coal producing companies ⓘ |
| supplyChainRole | fuel supplier to power plants ⓘ |
| typeOfCompany | Miniratna public sector enterprise ⓘ |
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: South Eastern Coalfields Limited Description of subject: South Eastern Coalfields Limited is one of India’s largest coal producing companies and a subsidiary of Coal India Limited, primarily operating in the coal-rich regions of Chhattisgarh and Madhya Pradesh.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.