Ancient India existed from 3200 BC to 1750 BC, and matured from 2200 BC to 2000 BC. The most important cities were Halaba and Mohenjo, which disappeared around 1750 BC. When Ashoka was in power, the Peacock Empire was in its strongest period, and he unified the whole Indian Peninsula except the southern tip.

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Ancient India, together with ancient Egypt, Babylon and China, is called "four ancient civilizations", and its geographical scope includes modern India, Pakistan and other countries. India is a melting pot of culture, and its unique historical background makes it contain many cultural trends from ancient times to modern times, from west to east, and from Asia to Europe. In addition, it is a country composed of five ethnic groups, and it is like a big cultural museum. The Indus Valley is the cultural center. Although ancient India is a country with many surnames and heavy historical burdens, it still left a unique legacy for world culture.

References:

Baidu Encyclopedia-Ancient India