Which of the following rivers is traditionally known as the 'Sorrow of Bihar'?

Which river is known as the 'Sorrow of Bihar' ?

Which river is known as the "Sorrow of Bihar" due to its frequent floods?

Which of the following rivers was historically known as the Bantwal River in the south of Karnataka?

Which one of the following rivers is also known by the name of "Dihang" in Northeast India?

Which one of the following is a west-flowing river?