Correct option is B
The correct answer is (b) Aravali.
The Aravali Range is the oldest mountain range in India and one of the oldest geological formations in the world, dating back to the Proterozoic Era (approximately 2.5 billion years ago).
It runs across the northwestern region of India, mainly in Rajasthan and parts of Haryana, Delhi, and Gujarat.
Additional Information:
- Himalaya: Young fold mountains formed about 50 million years ago during the Tertiary period.
- Vindhyachal: Relatively younger range in central India, known for dividing the Indo-Gangetic plain and the Deccan Plateau.
- Shivalik: The outermost and youngest part of the Himalayan range.