Which one of the following rivers is different from the others?

Correct answer: (b) Narmada

Explanation

Among the given rivers, Tungabhadra, Penganga, and Mahanadi flow eastwards, whereas the Narmada River flows westwards and drains into the Arabian Sea. The Narmada originates from the Amarkantak Plateau and flows through a rift valley between the Vindhya and Satpura ranges.