Question

The river that is called ‘Sorrow of Bihar’ is _______________.
A. Tungabhadra
B. Kosi
C. Krishna
D. Shivanasamudra

Answer 1

Hint: The river that is called ‘Sorrow of Bihar flows through Tibet, Nepal and India. It is a transboundary river which drains the slope of the Himalayas in Tibet and Nepal.

Complete Answer: The length of the Kosi river is 720 kilometre and drains over an area of about 74,500 square kilometres in Tibet, Nepal and Bihar. The economy of the state of Bihar is mainly dependent on farming and agriculture. The region through which this river flows is mostly affected by floods. The annual flood affects about 21000 square kilometres of the fertile farming lands hampering the state’s rural economy. The flood which occurred in 1954 is recorded as the highest flood in this region. The most recent flood that happened in this region is in the year 2008. The took up over a 100 years abandoned channel and destroyed the agricultural lands by submerging several districts of India and Nepal. About 2.7 million people were affected, about 150 people were washed away and 42 people died in this flood.

Now let us examine the options
Options A - The Tungabhadra river originates from the Varaha Parvata hills in the Western ghats and flows through the Indian states of Karnataka, Telangana and Andhra Pradesh. It is a tributary of the Krishna river.
Option B - Kosi river that is called ‘Sorrow of Bihar flows through Tibet, Nepal and India. It is a transboundary river which drains the slope of the Himalayas in Tibet and Nepal. The annual flood in this region during the monsoon season affects about 21000 square kilometres of the fertile farming lands hampering the state’s rural economy.
Option C - The Krishna river originates from a spring near Mahabaleshwar, Maharashtra and is mostly used for irrigation purposes. It flows through the states of Karnataka and Tamil Nadu. It is the fourth-biggest river in terms of river basin area and water inflows in India.
Option D - The Shivanasamudra fall is a waterfall on the Kaveri river. The fall is situated in the Chamarajanagar district of Karnataka.

Thus, the correct answer is option (B).

Note: The river does not have any permanent channel It keeps on changing its path by breaching the embankments it has created on the new path. Indian authorities attempted to forestall widening of the breach, and channels were to be burrowed to coordinate the water back to the fundamental stream bed.