· Origin: Bhimgad Wildlife Sanctuary, Karnataka, in the Western Ghats.
- States: Flows through Karnataka and Goa; its basin also extends into Maharashtra.
- Goa: Known as Mandovi River.
- Outfall: Drains into the Arabian Sea.
- Tributaries: Kalsa and Banduri are important tributaries.
- Water dispute: Mainly involves Goa, Karnataka and Maharashtra.
- Karnataka project: Kalsa-Banduri Nala Project seeks to divert water towards the Malaprabha basin.
- Tribunal: Mahadayi Water Disputes Tribunal was constituted in 2010; final award was given in 2018.
- Ecological importance: The river and its basin are associated with the Western Ghats, an important biodiversity region.
- Protected area: Mhadei Wildlife Sanctuary is located in Goa, while Bhimgad Wildlife Sanctuary lies in the source region in Karnataka.
Prelims Question | English
Q. With reference to the Mahadayi River, consider the following statements:
- It originates in the Western Ghats of Karnataka.
- In Goa, it is known as the Mandovi River.
- It ultimately drains into the Arabian Sea.
- Kalsa and Banduri are associated with the Mahadayi river system.
Which of the statements given above are correct?
A. 1 and 2 only
B. 1, 2 and 3 only
C. 2, 3 and 4 only
D. 1, 2, 3 and 4
Answer: D. 1, 2, 3 and 4
Explanation
- Statement 1 — Correct: Mahadayi originates in the Western Ghats of Karnataka.
- Statement 2 — Correct: After entering Goa, it is commonly known as the Mandovi.
- Statement 3 — Correct: It is a west-flowing river and drains into the Arabian Sea.
- Statement 4 — Correct: Kalsa and Banduri are associated with the Mahadayi water-diversion dispute.




Ravi Raaz
Hassan Khan
Shadab Ali