This question asks us to identify the longest river from a list of four prominent Indian rivers: Narmada, Cauvery (Kaveri), Krishna, and Godavari. To answer this, we need to compare the approximate lengths of these rivers.
Rivers are vital water sources and geographical features. Their lengths can vary slightly based on measurement methods and the specific course considered. Here's a comparison of the approximate lengths of the given rivers:
| River Name | Approximate Length (km) |
|---|---|
| Narmada | 1,312 |
| Cauvery (Kaveri) | 800 |
| Krishna | 1,400 |
| Godavari | 1,465 |
By comparing the lengths provided in the table:
Looking at these figures, the Godavari river has the greatest length among the four options listed.
Based on the comparative lengths, the Godavari river is the longest river among the choices provided.