Explanation:

 The Aravalli Range is a range of mountains running approximately 692 km (430 mi) in a southwest direction, starting in North India from Delhi and passing through southern Haryana, through to Western India across the states of Rajasthan and ending in Gujarat. The Aravalli Range, an eroded stub of ancient mountains, is the oldest range of fold mountains in India.The natural history of the Aravalli Range dates back to times when the Indian Plate was separated from the Eurasian Plate by an ocean.