UPSC Mains 2025 General Studies I GS Paper 1
Q. Discuss the salient features of the Harappan architecture.
Salient Features of Harappan Architecture
Introduction
The architecture of the Indus Valley Civilization (c. 2600–1900 BCE) reflects one of the earliest examples of advanced urban planning in the ancient world. Excavations at sites like Harappa, Mohenjo-daro, Dholavira and Lothal reveal systematic city planning, standardized construction and sophisticated civic infrastructure.
Salient Features of Harappan Architecture
- Advanced Urban Planning (Grid Pattern)
- Cities were laid out in a rectangular grid pattern with streets intersecting at right angles.
- Main streets were wide and oriented north–south and east–west, ensuring ventilation.
Evidence
- Clear grid pattern observed in Mohenjo-daro and Harappa.
Scholarly Observation
- Archaeologist John Marshall described Harappan towns as “carefully planned cities comparable to modern towns.”
- Citadel and Lower Town Division
Most cities had two distinct parts:
- Citadel (western part)
- Elevated area with public buildings.
- Possibly used for administrative or ritual purposes.
- Lower Town (eastern part)
- Residential areas for common people.
Example
- Clear division seen at Mohenjo-daro and Kalibangan.
- Standardized Construction Material
Harappans used uniform burnt bricks in a 1:2:4 ratio (height:width:length).
Importance
- Indicates centralized planning and standardization.
Evidence
- Similar brick sizes found across distant sites like Harappa, Lothal, and Dholavira.
- Sophisticated Drainage System
One of the most remarkable features.
Features include:
- Underground drainage channels.
- Covered drains with removable slabs.
- Household drains connected to street drains.
- Soak pits for waste.
Evidence
- Well-planned drainage discovered in Mohenjo-daro.
Observation
- Historian Mortimer Wheeler called it “the greatest achievement of Harappan engineering.”
- Water Management System
Harappans developed advanced water storage and supply systems.
Examples:
- Numerous public and private wells.
- Reservoirs and water channels.
Case Study
- Dholavira had a complex rainwater harvesting system with large reservoirs.
- Public Architecture
Several monumental structures indicate organized civic life.
(a) Great Bath
- Found in Mohenjo-daro.
- Waterproof brick structure with bitumen lining.
- Likely used for ritual bathing.
(b) Granaries
- Large storage buildings used for grain storage.
Examples:
- Granary structures at Harappa.
(c) Dockyard
- Lothal has the world’s earliest known dockyard, indicating maritime trade.
- Residential Architecture
Houses were well-planned and functional.
Features:
- Built around central courtyards.
- Multiple rooms and sometimes two storeys.
- Bathrooms with drainage systems.
- Separate private wells in some houses.
Evidence
- Residential complexes found in Mohenjo-daro.
- Fortification and City Walls
Many cities had defensive walls or fortifications.
Examples:
- Fortified cities like Kalibangan and Dholavira.
Purpose:
- Protection from floods or external threats.
- Absence of Monumental Temples or Palaces
Unlike contemporary civilizations such as Mesopotamian Civilization and Egyptian Civilization, Harappan cities lack grand temples or palaces.
Inference
- Suggests a more egalitarian or decentralized political system.
Conclusion
The architectural features of the Indus Valley Civilization demonstrate advanced engineering, urban governance and environmental adaptation. Its planned cities, drainage systems and water management remain benchmarks of early urban design and highlight the civilization’s scientific and civic sophistication, influencing later urban traditions in the Indian subcontinent.