Answer
Sorrow of Bihar
Explanation
Due to frequent changes in its course, the Kosi river causes devastating floods in Bihar.
Key Points
- > Originates from Tibet
- > Tributary of Ganga
- > Flood-prone river
Additional Information
- Kosi river is called the 'Sorrow of Bihar'
- It descends from the Himalayas
| River | Sorrow |
|---|---|
| Kosi | Bihar |
| Damodar | Bengal |