Exp) Option c is the correct answer.

Gorges are formed when rivers erode through gigantic rock formations over thousands of years.

Gandikota is a small village in the Kadapa district of Andhra Pradesh.

The swift flowing waters of River Pennar cut through the granite rocks near the village of Gandikota, naturally eroding the rock and forming a deep valley. Gandikota got its name from ‘gandi’ the Telugu word for ‘gorge’.  Pennar River streams from the Erramala hills.

The spectacular gorge is famously adjudged as the Grand Canyon of India.