Correct Option (c):
The Nilgiri Hills are situated at the junction of the Eastern and Western Ghats. This range forms a tri-junction of the states of Tamil Nadu, Kerala, and Karnataka. It represents a significant physiographic and ecological transition zone where the two major mountain systems converge. Doddabetta Peak, with an elevation of 2,637 meters, is the highest point in the Nilgiris and one of the highest peaks in South India.
Incorrect Options:
- Anamalai Hills: These hills are located further south in Tamil Nadu and Kerala and constitute a part of the Western Ghats, not the meeting point of both Ghats.
- Cardamom Hills: Situated in the southern part of the Western Ghats, primarily in Kerala and Tamil Nadu, they do not mark the confluence of the Eastern and Western Ghats.
- Shevaroy Hills: These hills are part of the Eastern Ghats, located in northern Tamil Nadu near Salem. They are geographically distinct and do not lie at the intersection of the Eastern and Western Ghats.