As somebody else has answered it, it has been estimated from 3300 BC to 1300 BC. The peak period is said to be from 2500 BC to 2000 BC.
approximately 2500 B.C
It thrived in the Indus Valley.
indus valley indus valley
The Indus Valley Civilization: Harappa, Mohenjodaro
There were two main rivers in the Indus Valley Civilization; The Ghaggar-Hakra and the Indus.
(3300-1300 BCE; mature period 2600-1900 BCE)
The Harappan or Indus Valley civilization was located in the Indus Valley of Pakistan and the Sarasvati river valley in north India, from about 2600 to 1900 BC.
They built the Indus Valley civilization.
Indus valley civilization riverboats have single sail.
The Aryans contributed to the Indus River Valley Civilization's downfall.
A technologically advanced urban lifestyle is clear in the Indus Valley Civilization
The Aryans contributed to the Indus River Valley Civilization's downfall.