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The expression Indus Valley Civilisation was originally used because many early discoveries were made in the Indus basin.

As archaeological exploration expanded, however, hundreds of settlements were discovered far beyond the Indus Valley — including areas of Gujarat, Rajasthan, Haryana, Punjab, Jammu and western Uttar Pradesh.

The term Harappan Civilisation therefore became more useful because it refers to a wider archaeological cultural tradition rather than only settlements in the Indus Valley.

This is an important conceptual point: the civilisation was geographically much larger than the Indus river basin.

The Harappan urban civilisation did not emerge suddenly. Before the rise of large cities, the north-western subcontinent contained several agricultural and pastoral communities.

These communities developed distinctive pottery traditions, settlements, craft activities and systems of exchange.

Archaeologists identify several regional cultures that preceded or contributed to the development of the Mature Harappan phase.

Therefore, the origins of Harappan civilisation should be understood as a long process of regional development and increasing interaction, rather than the sudden creation of cities.

The Early Harappan phase represents the formative stage preceding the Mature urban civilisation.

Archaeological cultures associated with this period include traditions represented at sites such as Amri, Kot Diji, Kalibangan and early Harappa.

Settlements were generally smaller than the later cities, but there is evidence of agriculture, pastoralism, craft production, exchange and, in some regions, fortification.

These developments created the economic and technological foundations upon which the Mature Harappan urban system developed.

Around the middle of the third millennium BCE, several developments came together to produce the Mature Harappan urban system.

• Expansion of larger settlements.
• Increasing craft specialisation.
• Development of standardised weights and material forms.
• Wider exchange networks.
• Greater standardisation in architecture and urban planning.
• Development and widespread use of the Harappan script.

This process is often described as the transition from regionalisation to cultural integration.

The Mature Harappan phase, c. 2600–1900 BCE, represents the period when the characteristic features of Harappan civilisation were most widely developed.

Major urban centres included Harappa, Mohenjo-daro, Dholavira, Rakhigarhi and Ganweriwala, while many smaller settlements formed part of the wider cultural network.

Common features included standardised weights, distinctive pottery, seals, craft production, brick architecture and extensive exchange networks.

The civilisation therefore consisted not simply of isolated cities but of a large network of settlements of different sizes and functions.

The Harappan cultural zone covered a remarkably large area of the north-western Indian subcontinent.

It extended across parts of present-day Pakistan and north-western India, with Harappan-related evidence also extending into parts of Afghanistan.

Within India, important regions include parts of Jammu and Kashmir/Jammu region, Punjab, Haryana, Rajasthan, Gujarat and western Uttar Pradesh.

The distribution stretched from the Makran coast in the west to western Uttar Pradesh in the east, and from the Jammu region in the north toward Gujarat and Maharashtra in the south.

For UPSC and State PCS examinations, four traditional geographical markers are commonly used to remember the extent of the Harappan civilisation.

• Westernmost: Sutkagendor / Sutkagan Dor — Makran coast, Balochistan.
• Easternmost: Alamgirpur — western Uttar Pradesh.
• Northernmost: Manda — Jammu region.
• Southernmost: Daimabad — Maharashtra.

These four names are extremely useful for objective examination questions.

The geographical extent becomes easier to understand when major sites are arranged by region.

• Pakistan: Harappa, Mohenjo-daro, Kot Diji, Chanhudaro, Ganweriwala.
• Gujarat: Dholavira, Lothal, Rangpur.
• Rajasthan: Kalibangan.
• Haryana: Rakhigarhi, Banawali.
• Jammu region: Manda.
• Western Uttar Pradesh: Alamgirpur.

These sites demonstrate that Harappan civilisation was not confined to a single river valley.

The Harappan civilisation occupied several different ecological zones, rather than one uniform landscape.

Major settlement areas were associated with the Indus river system and its tributaries, while important settlements also developed along the Ghaggar-Hakra system and in Gujarat.

Different environments required different economic strategies. Communities used river plains, semi-arid regions, coastal zones and other ecological settings.

This ecological diversity helps explain why Harappan settlements were distributed across such a large geographical area.

The large geographical distribution of Harappan settlements reflects strong connections between different regions.

These connections were supported by trade, craft production, movement of raw materials and exchange networks.

Standardised weights, seals, pottery traditions and other material similarities indicate significant interaction across distant areas.

At the same time, Harappan sites were not identical. Local environmental conditions produced regional differences in settlement forms, crops, architecture and material culture.

Questions on Harappan extent often test whether the learner can connect site + location + geographical direction.

• Sutkagendor → Western extent.
• Alamgirpur → Eastern extent.
• Manda → Northern extent in the conventional Indian examination framework.
• Daimabad → Southern extent in the conventional framework.
• Dholavira → Gujarat.
• Kalibangan → Rajasthan.
• Rakhigarhi → Haryana.
• Harappa and Mohenjo-daro → present-day Pakistan.

Keep these distinctions clear while preparing for UPSC and State PCS.

• Harappan ≠ only Indus Valley.
• Mature Harappan ≠ the entire Harappan chronological sequence.
• The civilisation did not suddenly appear as fully developed cities.
• Early Harappan regional cultures preceded the Mature urban phase.
• Harappan settlements existed in diverse ecological environments.
• “Southernmost site” questions generally expect Daimabad in the conventional exam framework.

The Harappan Civilisation developed through a long process of regional agricultural, pastoral, craft and settlement development.

The Early Harappan phase provided important foundations for the later urban system, while the Mature Harappan phase (c. 2600–1900 BCE) witnessed the development of large cities, standardisation and extensive exchange networks.

Its geographical distribution was enormous, extending from the Makran coast in the west to western Uttar Pradesh in the east and from the Jammu region in the north toward Gujarat and Maharashtra in the south.

For examination purposes, remember: Sutkagendor – Alamgirpur – Manda – Daimabad.

You are now ready to attempt the revision MCQs on Origin and Extent of the Harappan Civilisation.