Phases of Indus Valley Civilisation
The period of Harappan culture is divided into three phases which are as follows:
Early Harappan Phase (3300 to 2600 BC)
The Early Harappan Phase is related to the Hakra (a Phase, identified in the Ghaggar-Hakra River Valley .
• This phase stands characterised by centralised authority and an increasingly urban quality of life.
• Trade networks had been established and there are also evidences of the cultivation 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 (2600 to 1900 BC)
- By 2600 BC, the Indus Valley Civilisation 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.
- Sites of this phase were Harappa, Mohenjodaro, Chanhudaro, Lothal, Kalibangan, Banawali, Sutkagendor and Surkotda.
Extent of Indus Valley Civilisation
- Easternmost site Alamgirpur (Meerut, Uttar Pradesh)
- Westernmost site Sutkagan Dor (Baluchistan)
- Northernmost site Manda (Jammu)
- Southernmost site Daimabad (Maharashtra)
Late Harappan Phase (1900 to 1300 BC)
- The signs of a gradual decline of the Harappan Civilisation are believed to have started around 1800 BC and by 1700 BC, most of the cities were abandoned.
- However, various elements of the ancient Harappan Civilisation can be seen in later cultures.
- Archaeological data indicates the continuation of the Late Harappan culture till 1000-900 BC.
- The late Harappan phase is found in Rangpur and Rojdi in Kathiawar peninsula (Gujarat).
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