The three main phases of the Indus Valley Civilization are:
Early Harappan (Integration Era)
Mature Harappan (Localization Era)
Late Harappan (Regionalization Era)
Early Harappan Phase
The Early Harappan Phase lasted from 3300 BC to 2800 BC. It is related to the Hakra Phase, identified in the Ghaggar-Hakra River Valley. The earliest examples of the Indus script date back to 3000 BC. This phase stands characterized by centralized authority and an increasingly urban quality of life. Trade networks had been established and there was also domestication of crops. Peas, sesame seeds, dates, cotton, etc, were grown during that time. Kot Diji represents the phase leading up to Mature Harappan Phase.
Mature Harappan Phase
By 2600 BC, Indus Valley Civilization had entered into a mature stage. The early Harappan communities were turning into large urban centers, like Harappa and Mohenjodaro in Pakistan and Lothal in India. The concept of irrigation had also been introduced. The following features of the Mature Phase were more prominent:
Late Harappan Phase
The signs of a gradual decline of the Indus River Valley Civilization are believed to have started around 1800 BC. By 1700 BC, most of the cities were abandoned. However, one can see the various element of the Ancient Indus Valley Civilization in later cultures. Archaeological data indicates the persistence of the Late Harappan culture till 1000-900 BC. The major reasons of the decline of the civilization are believed to be connected with climate change. Not only did the climate become much cooler and drier than before, but substantial portions of the Ghaggar Hakra river system also disappeared.
Early Harappan (Integration Era)
Mature Harappan (Localization Era)
Late Harappan (Regionalization Era)
Early Harappan Phase
The Early Harappan Phase lasted from 3300 BC to 2800 BC. It is related to the Hakra Phase, identified in the Ghaggar-Hakra River Valley. The earliest examples of the Indus script date back to 3000 BC. This phase stands characterized by centralized authority and an increasingly urban quality of life. Trade networks had been established and there was also domestication of crops. Peas, sesame seeds, dates, cotton, etc, were grown during that time. Kot Diji represents the phase leading up to Mature Harappan Phase.
Mature Harappan Phase
By 2600 BC, Indus Valley Civilization had entered into a mature stage. The early Harappan communities were turning into large urban centers, like Harappa and Mohenjodaro in Pakistan and Lothal in India. The concept of irrigation had also been introduced. The following features of the Mature Phase were more prominent:
Late Harappan Phase
The signs of a gradual decline of the Indus River Valley Civilization are believed to have started around 1800 BC. By 1700 BC, most of the cities were abandoned. However, one can see the various element of the Ancient Indus Valley Civilization in later cultures. Archaeological data indicates the persistence of the Late Harappan culture till 1000-900 BC. The major reasons of the decline of the civilization are believed to be connected with climate change. Not only did the climate become much cooler and drier than before, but substantial portions of the Ghaggar Hakra river system also disappeared.
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