Eastern Railway zone
E196584
The Eastern Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Kolkata, that manages a major portion of rail operations in eastern India.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Eastern Railway zone canonical | 27 |
| Eastern Railway | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1752570 — 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: Eastern Railway zone Context triple: [Howrah, railwayZone, Eastern Railway zone]
-
A.
Northern Railway zone
The Northern Railway zone is one of the largest and oldest zones of Indian Railways, overseeing extensive rail operations across North India from its headquarters in New Delhi.
-
B.
Western Railway zone
The Western Railway zone is one of the major zones of Indian Railways, overseeing rail operations across parts of western India including the states of Gujarat, Maharashtra, and Madhya Pradesh.
-
C.
South Central Railway zone
The South Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Secunderabad, that oversees and operates rail services across parts of Telangana, Andhra Pradesh, Maharashtra, and neighboring regions.
-
D.
North Central Railway zone
The North Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered at Prayagraj, and is a major rail network serving parts of Uttar Pradesh, Madhya Pradesh, Rajasthan, and Haryana.
-
E.
West Central Railway zone
West Central Railway zone is one of the zones of Indian Railways, headquartered in Jabalpur, that manages and operates rail services across parts of central India.
- 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: Eastern Railway zone Target entity description: The Eastern Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Kolkata, that manages a major portion of rail operations in eastern India.
-
A.
Northern Railway zone
The Northern Railway zone is one of the largest and oldest zones of Indian Railways, overseeing extensive rail operations across North India from its headquarters in New Delhi.
-
B.
Western Railway zone
The Western Railway zone is one of the major zones of Indian Railways, overseeing rail operations across parts of western India including the states of Gujarat, Maharashtra, and Madhya Pradesh.
-
C.
South Central Railway zone
The South Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Secunderabad, that oversees and operates rail services across parts of Telangana, Andhra Pradesh, Maharashtra, and neighboring regions.
-
D.
North Central Railway zone
The North Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered at Prayagraj, and is a major rail network serving parts of Uttar Pradesh, Madhya Pradesh, Rajasthan, and Haryana.
-
E.
West Central Railway zone
West Central Railway zone is one of the zones of Indian Railways, headquartered in Jabalpur, that manages and operates rail services across parts of central India.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
administrative unit of Indian Railways
ⓘ
railway zone ⓘ |
| country | India ⓘ |
| electrificationStatus | largely electrified ⓘ |
| gauge | broad gauge ⓘ |
| hasDivision |
Asansol railway division
ⓘ
Howrah railway division ⓘ Malda railway division ⓘ Sealdah railway division ⓘ |
| hasMajorStation |
Asansol Junction
ⓘ
surface form:
Asansol Junction railway station
Howrah Junction railway station ⓘ Malda Town railway station ⓘ Sealdah ⓘ
surface form:
Sealdah railway station
|
| hasRouteType |
freight corridors
ⓘ
long-distance routes ⓘ suburban routes ⓘ |
| hasSuburbanNetwork |
Kolkata Suburban Railway (Howrah–Sealdah sections)
ⓘ
surface form:
Kolkata Suburban Railway
|
| headquartersLocation |
Calcutta
ⓘ
surface form:
Kolkata
West Bengal ⓘ |
| headquartersStation |
B.B.D. Bagh, Kolkata
ⓘ
surface form:
Fairlie Place, Kolkata
|
| industry | rail transport ⓘ |
| isOneOf | 19 zones of Indian Railways ⓘ |
| jurisdictionIncludes |
Howrah–Delhi main line
ⓘ
surface form:
Howrah–Delhi main line segments
Howrah–Delhi main line ⓘ
surface form:
Howrah–Patna–Mughalsarai route segments
Kolkata Suburban Railway (Howrah–Sealdah sections) ⓘ
surface form:
Kolkata suburban sections around Howrah and Sealdah
|
| languageUsed |
Bengali
ⓘ
English ⓘ Hindi ⓘ |
| locatedInTimeZone | Indian Standard Time ⓘ |
| manages | rail operations in eastern India ⓘ |
| numberOfRailwayZonesInSystem | 19 ⓘ |
| operator | Indian Railways ⓘ |
| ownedBy | Government of India ⓘ |
| parentOrganization |
Ministry of Railways (India)
ⓘ
surface form:
Ministry of Railways, Government of India
|
| partOf | Indian Railways ⓘ |
| publicTransportType | railway ⓘ |
| railwayZoneCode | ER ⓘ |
| regionServed | eastern India ⓘ |
| responsibleFor |
freight train operations
ⓘ
passenger train operations ⓘ railway infrastructure maintenance ⓘ safety and signaling in its jurisdiction ⓘ station management ⓘ |
| servesState |
Bihar
ⓘ
Jharkhand ⓘ West Bengal ⓘ parts of Odisha ⓘ |
| UTCOffset | +05:30 ⓘ |
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: Eastern Railway zone Description of subject: The Eastern Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Kolkata, that manages a major portion of rail operations in eastern India.
Referenced by (28)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Eastern Railway