The river that is known as the “Sorrow of Bihar” is _________.
a: Kosi
b: Mahanadi
c: Godavari
d: Krishna

Hint: Bihar is a state which is situated in eastern India. Bihar is the third largest state in terms of population. This state is the twelfth largest state of India in terms of area.

Complete Answer:

Option a: Kosi river is a transboundary river. This river flows through Tibet, India and Nepal. The catchment area of Kosi river covers six geological and climatic belts. River Kosi is known as the “Sorrow of Bihar” because of the annual effects of floods. This is the correct answer to the above question.

Option b: Mahanadi is one of the major rivers of East Central India. A famous dam which is known as Hirakud dam is also situated on this river. This is the incorrect answer because this river is not known as the “Sorrow of Bihar”.

Option c: Godavari is the second longest river of India. This river originates from Trimbakeshwar, Maharashtra. This river drains into the way of bengal. The river Godavari is the largest river in terms of the length and the catchment area. This is the incorrect answer because this river is not known as the “Sorrow of Bihar”.

Option d: Krishna river is the fourth largest river of India in terms of river basin and water inflow. This river is also known as Krishnaveni. This is the incorrect answer because this river is not known as the “Sorrow of Bihar”.

Option a is the correct answer to the above question because Kosi river is called the “Sorrow of Bihar”.

Note: The river Damodar was known as “Sorrow of Bengal” because of its disastrous floods. Now the water of this river has been contained because of the Damodar river valley project.