Pre-Harappan Phase (7000-3300 BC)
- Seen in Mehrgarh, where an aceramic and ceramic neolithic phase existed. The Aceramic phase was the earliest and there was no pottery. Ceramic stage yielded pottery.
Early Harappan Phase (3000-2600 BC)
- Emergence of several urban features like town planning, scripts and metal technology. Important sites include Kot Diji, Amri, Kalibangan, Dholavira.
Mature/Urban Harappan Phase (2600-1900 BC)
- Full growth of urban economy and society. Important sites: Mohen-jo-Daro, Harappa, Lothal, Kalibangan, Dholavira, Ganweriwala, Rakhigarh etc.
Late Harappan Phase (1900-1300 BC)
- Gradual collapse of urban character and towards the end of this phase IVC disappeared. Sumerian records ceased to mention trade with Meluhha.
