Which of the following hills in India are known as the Blue Mountains?

Correct option is C

The correct answer is (C) Nilgiri Hills

Explanation:
The Nilgiri Hills, located in southern India, are known as the Blue Mountains due to the bluish mist that surrounds them, which is caused by the presence of eucalyptus trees.

Other Options Explanation:

• Garo Hills: Located in the northeastern part of India, not known as the Blue Mountains.
• Khasi Hills: Located in Meghalaya, also not referred to as the Blue Mountains.
• Shivalik Hills: A mountain range in the northern part of India, not called the Blue Mountains.

Information Booster:

• Nilgiri Hills: Known for their scenic beauty and biodiversity, part of the Western Ghats.
• Eucalyptus trees: Their oil vapors contribute to the blue haze.
• The region is famous for tea plantations and hill stations like Ooty and Coonoor.