Who were the indo Europeans that invaded India?

The Indo-Europeans who invaded India are commonly referred to as the Aryans. They are believed to have migrated into the Indian subcontinent around 1500 BCE, bringing with them the Sanskrit language and early Vedic culture. This migration is often linked to the decline of the Indus Valley Civilization and led to significant cultural and social changes, including the development of the Caste System. The Aryans' arrival is a key event in the formation of ancient Indian history and the establishment of Hinduism.