The period lasted from around 1500 BCE through to 500 BCE; that is, from the early days of the Aryan migrations through to the age of the Buddha. The tribal society of the early Aryans gave way to the more complex society of the Classic Age of Ancient India.

What year was ancient India?

In the 19th and 20th centuries, archaeologists discovered traces of India's earliest civilization, one that developed in the fertile Indus River Valley between 3000 and 1900 BCE.

How long did ancient India last?

Vedic Civilization (India)

This period lasted from 1500 - 500 BC. So, it lasted roughly 1000 years.