Which river is known as the “Sorrow of Bihar”?
a) Damodar River
b) Kosi River
c) Gandak River
d) Mahanadi River
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Answer: b) Kosi River
Explanation
- Kosi River: The Kosi River is referred to as the “Sorrow of Bihar” because it frequently changes its course during the monsoon season, causing massive silt deposition, severe channel shifts, and widespread, devastating floods across the plains of Bihar.
- Origin: It is a trans-boundary river originating in Tibet (as the Sun Kosi / Arun river system) and flowing through Nepal before entering northern Bihar to join the Ganga.
Overview of Other Options
- a) Damodar River: Historically known as the “Sorrow of Bengal” due to its devastating seasonal floods in West Bengal (before the construction of the Damodar Valley Corporation multipurpose dams).
- c) Gandak River: An important left-bank tributary of the Ganga originating in the Himalayas of Nepal, joining the Ganga near Patna.
- d) Mahanadi River: Historically known as the “Sorrow of Odisha” before the construction of the massive Hirakud Dam near Sambalpur.
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