Indira Sagar Dam
E55944
Indira Sagar Dam is a large multipurpose concrete dam on the Narmada River in Madhya Pradesh, India, known for its significant hydroelectric power generation and irrigation capacity.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Indira Sagar Dam canonical | 7 |
| Indira Sagar Reservoir | 2 |
| Indirasagar Dam | 2 |
| Indira Sagar Dam reservoir | 1 |
| Narmada Sagar complex | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T433127 — 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: Indira Sagar Dam Context triple: [Narmada, hasDam, Indira Sagar Dam]
-
A.
Nagarjuna Sagar Dam
Nagarjuna Sagar Dam is a major masonry dam in southern India, renowned as one of the world’s largest man-made lakes and a key source of irrigation and hydroelectric power for the region.
-
B.
Srisailam Dam
Srisailam Dam is a major hydroelectric and irrigation dam in Andhra Pradesh, India, built across the Krishna River and known for its large reservoir and role in regional water management.
-
C.
Hathni Kund Barrage
Hathni Kund Barrage is a major diversion and flood-control structure on the Yamuna River in the Indian state of Haryana, crucial for regulating water supply to northern India.
-
D.
Okhla Barrage
Okhla Barrage is a major dam and bridge structure on the Yamuna River near Delhi, India, used for irrigation, flood control, and regulating water flow.
-
E.
Prakasam Barrage
Prakasam Barrage is a major masonry dam and road bridge in Vijayawada, Andhra Pradesh, that regulates the Krishna River and supports irrigation and water supply for the surrounding region.
- 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: Indira Sagar Dam Target entity description: Indira Sagar Dam is a large multipurpose concrete dam on the Narmada River in Madhya Pradesh, India, known for its significant hydroelectric power generation and irrigation capacity.
-
A.
Nagarjuna Sagar Dam
Nagarjuna Sagar Dam is a major masonry dam in southern India, renowned as one of the world’s largest man-made lakes and a key source of irrigation and hydroelectric power for the region.
-
B.
Srisailam Dam
Srisailam Dam is a major hydroelectric and irrigation dam in Andhra Pradesh, India, built across the Krishna River and known for its large reservoir and role in regional water management.
-
C.
Hathni Kund Barrage
Hathni Kund Barrage is a major diversion and flood-control structure on the Yamuna River in the Indian state of Haryana, crucial for regulating water supply to northern India.
-
D.
Okhla Barrage
Okhla Barrage is a major dam and bridge structure on the Yamuna River near Delhi, India, used for irrigation, flood control, and regulating water flow.
-
E.
Prakasam Barrage
Prakasam Barrage is a major masonry dam and road bridge in Vijayawada, Andhra Pradesh, that regulates the Krishna River and supports irrigation and water supply for the surrounding region.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydroelectric power station ⓘ multipurpose river valley project ⓘ |
| basin |
Narmada
ⓘ
surface form:
Narmada basin
|
| constructionBegan | 1980s ⓘ |
| continent | Asia ⓘ |
| country | India ⓘ |
| countrySubdivision | central India ⓘ |
| damType | concrete gravity dam ⓘ |
| downstreamFrom | Sardar Sarovar Dam ⓘ |
| energySource | hydropower ⓘ |
| impact |
resettlement and rehabilitation of displaced people
ⓘ
submergence of villages ⓘ |
| installedCapacity | 1000 MW ⓘ |
| irrigationCommandArea | Madhya Pradesh ⓘ |
| locatedIn | Madhya Pradesh ⓘ |
| locatedInDistrict | Khandwa district ⓘ |
| locatedNearTown |
Harsud
ⓘ
Punasa ⓘ |
| locatedOnRiver |
Narmada
ⓘ
surface form:
Narmada River
|
| namedAfter | Indira Gandhi ⓘ |
| namedFor |
Indira Gandhi
ⓘ
surface form:
former Prime Minister of India Indira Gandhi
|
| notableFor |
large hydroelectric power generation capacity
ⓘ
large irrigation potential ⓘ |
| numberOfTurbines | 8 ⓘ |
| openingDate | 2005 ⓘ |
| operator |
NHDC Limited
ⓘ
Narmada Hydroelectric Development Corporation ⓘ |
| ownedBy |
Government of Madhya Pradesh
ⓘ
NHPC Limited ⓘ NHPC Limited ⓘ
surface form:
National Hydroelectric Power Corporation
|
| partOfProject |
Narmada Dam project
ⓘ
surface form:
Narmada Valley Development Project
|
| plantType | run-of-river with storage ⓘ |
| projectType | joint venture between NHPC and Government of Madhya Pradesh ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ water supply ⓘ |
| region |
Nimar
ⓘ
surface form:
Nimar region
|
| reservoirName |
Indira Sagar Dam
self-linksurface differs
ⓘ
surface form:
Indira Sagar Reservoir
|
| reservoirUse |
drinking water supply
ⓘ
hydropower ⓘ irrigation ⓘ |
| river |
Narmada
ⓘ
surface form:
Narmada River
|
| state | Madhya Pradesh ⓘ |
| turbineCapacity | 125 MW ⓘ |
| upstreamFrom | Omkareshwar Dam ⓘ |
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: Indira Sagar Dam Description of subject: Indira Sagar Dam is a large multipurpose concrete dam on the Narmada River in Madhya Pradesh, India, known for its significant hydroelectric power generation and irrigation capacity.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Indira Sagar Reservoir
this entity surface form:
Narmada Sagar complex
this entity surface form:
Indira Sagar Reservoir
this entity surface form:
Indira Sagar Dam reservoir
this entity surface form:
Indirasagar Dam