Which geographic feature was used as a invasion route by aryns into ancient india

Answer: Mountains

Explanation:

The Aryans that were coming from central Asia had been migrated into the subcontinent of India. Many nomadic herders, family groups with animals that didn't have a home base, were trying to get into the Indus Civilization.

They were crossing the Hindu Kush Mountains and that is the main geographic future used for invasion. They were bringing animals such as sheep, goats, and camels.