Explanation:

- Option 1: Western Ghats

- A mountain range along the western coast of India.

- Not the location of Mahendragiri.

- Option 2: Eastern Ghats

- A range running parallel to the eastern coast of India.

- Mahendragiri is the highest peak in the Eastern Ghats.

- Option 3: Himalayan Range

- The highest mountain range in the world, located in northern India.

- Not related to Mahendragiri.

- Option 4: Satpura Range

- A range in central India.

- Not where Mahendragiri is located.