Mahanadi River Basin
E464635
The Mahanadi River Basin is the extensive drainage region in eastern-central India that collects and channels the waters of the Mahanadi River and its tributaries across several states before reaching the Bay of Bengal.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Mahanadi River basin | 3 |
| Mahanadi basin | 3 |
| Mahanadi River Basin canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4731274 — 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: Mahanadi River Basin Context triple: [Mahanadi River, partOf, Mahanadi River Basin]
-
A.
Krishna River basin
The Krishna River basin is a major river drainage region in southern India that supports extensive agriculture, hydropower, and diverse ecosystems across several states.
-
B.
Mahanadi River
The Mahanadi River is a major river in eastern India that flows through the states of Chhattisgarh and Odisha before emptying into the Bay of Bengal.
-
C.
Damodar River
The Damodar River is a major river in eastern India, historically known for its devastating floods and extensive coal-rich basin in the states of Jharkhand and West Bengal.
-
D.
Subarnarekha River
The Subarnarekha River is a significant river in eastern India that flows through the states of Jharkhand, West Bengal, and Odisha before emptying into the Bay of Bengal.
-
E.
Ganges-Brahmaputra-Meghna river system
The Ganges-Brahmaputra-Meghna river system is one of the world’s largest and most densely populated river basins, spanning the Himalayas to the Bay of Bengal and supporting hundreds of millions of people in South Asia.
- 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: Mahanadi River Basin Target entity description: The Mahanadi River Basin is the extensive drainage region in eastern-central India that collects and channels the waters of the Mahanadi River and its tributaries across several states before reaching the Bay of Bengal.
-
A.
Krishna River basin
The Krishna River basin is a major river drainage region in southern India that supports extensive agriculture, hydropower, and diverse ecosystems across several states.
-
B.
Mahanadi River
The Mahanadi River is a major river in eastern India that flows through the states of Chhattisgarh and Odisha before emptying into the Bay of Bengal.
-
C.
Damodar River
The Damodar River is a major river in eastern India, historically known for its devastating floods and extensive coal-rich basin in the states of Jharkhand and West Bengal.
-
D.
Subarnarekha River
The Subarnarekha River is a significant river in eastern India that flows through the states of Jharkhand, West Bengal, and Odisha before emptying into the Bay of Bengal.
-
E.
Ganges-Brahmaputra-Meghna river system
The Ganges-Brahmaputra-Meghna river system is one of the world’s largest and most densely populated river basins, spanning the Himalayas to the Bay of Bengal and supporting hundreds of millions of people in South Asia.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
river basin ⓘ |
| climateType | tropical monsoon climate ⓘ |
| country | India ⓘ |
| drainageDirection | generally eastward ⓘ |
| drainagePattern | dendritic drainage pattern ⓘ |
| drainedBy |
Hasdeo River
NERFINISHED
ⓘ
Ib River NERFINISHED ⓘ Jonk River NERFINISHED ⓘ Mahanadi River NERFINISHED ⓘ Mand River NERFINISHED ⓘ Ong River NERFINISHED ⓘ Seonath River NERFINISHED ⓘ Tel River NERFINISHED ⓘ |
| emptiesInto | Bay of Bengal NERFINISHED ⓘ |
| floodProne | yes ⓘ |
| flowsThroughRegion |
Chhattisgarh Plain
NERFINISHED
ⓘ
Odisha Coastal Plain NERFINISHED ⓘ |
| hasDelta | Mahanadi Delta NERFINISHED ⓘ |
| hasEcosystem |
estuarine ecosystem
ⓘ
riparian ecosystem ⓘ |
| hasLandUse |
cropland
ⓘ
forest ⓘ urban settlements ⓘ |
| hasMajorDam | Hirakud Dam NERFINISHED ⓘ |
| hasMajorReservoir | Hirakud Reservoir NERFINISHED ⓘ |
| hasWetlands | coastal wetlands ⓘ |
| locatedIn |
central India
ⓘ
eastern India NERFINISHED ⓘ |
| locatedInState |
Bihar
NERFINISHED
ⓘ
Chhattisgarh NERFINISHED ⓘ Jharkhand NERFINISHED ⓘ Madhya Pradesh NERFINISHED ⓘ Maharashtra NERFINISHED ⓘ Odisha NERFINISHED ⓘ Uttar Pradesh NERFINISHED ⓘ |
| majorCityInBasin |
Bhubaneswar
NERFINISHED
ⓘ
Cuttack NERFINISHED ⓘ Raipur NERFINISHED ⓘ Sambalpur NERFINISHED ⓘ |
| partOf | Indian subcontinent river systems ⓘ |
| primaryWaterSource | southwest monsoon rainfall ⓘ |
| receivesTributariesFrom |
Chhota Nagpur Plateau
NERFINISHED
ⓘ
Eastern Ghats NERFINISHED ⓘ |
| supportsActivity |
fisheries
ⓘ
hydropower generation ⓘ irrigated agriculture ⓘ |
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: Mahanadi River Basin Description of subject: The Mahanadi River Basin is the extensive drainage region in eastern-central India that collects and channels the waters of the Mahanadi River and its tributaries across several states before reaching the Bay of Bengal.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mahanadi River basin
this entity surface form:
Mahanadi River basin
this entity surface form:
Mahanadi basin
this entity surface form:
Mahanadi basin
this entity surface form:
Mahanadi River basin