Bricks, Beads and Bones: The Harappan Civilisation
How archaeologists reconstruct the economy, town-planning and social order of the Bronze-Age Harappan (Indus Valley) Civilisation purely from material remains — bricks, beads, seals and bones — since its script is undeciphered.
A perennial favourite: Prelims repeatedly tests site-to-feature/river matching (Kalibangan, Lothal, Dholavira, Chanhudaro), key materials (steatite, faience, carnelian) and the three-phase chronology. For GS-I Mains it anchors questions on the salient features of Indus urbanism, town planning, water management and how archaeology reads a script-less society. Cunningham, ASI and the five major cities are recurring static hooks.
Understand the chapter
Sources: An Archaeology-Driven Story
Because the Harappan script remains undeciphered, almost everything known comes from archaeological evidence — houses, pots, ornaments, tools, seals and bones — not from texts. The signature artefact is the steatite seal bearing animal motifs and script signs. Interpretations are provisional and shift with new finds, and some aspects may remain permanently unknown.
- Steatite (soft stone) seals carry animal motifs plus an undeciphered script.
- Archaeo-botanists study charred grains/seeds; archaeo-zoologists study animal bones.
- Method is inferential: present-day analogies (Mackay comparing querns) help identify artefact use.
Chronology and Geographical Spread
Also called the Indus Valley Civilisation, it is named after Harappa, the first site identified. Its full span is 6000-1300 BCE — Early (formative), Mature (urban, most prosperous) and Late (decline) phases — with roots in farming communities from around 7000 BCE. The Mature phase grew by gradual internal development, not abrupt arrival, across present Afghanistan, Pakistan and north-western India.
- Early 6000-2600 BCE; Mature 2600-1900 BCE; Late 1900-1300 BCE.
- More than 2000 sites; nearly two-thirds lie in the Saraswati basin.
- Five major cities: Rakhigarhi, Mohenjodaro, Harappa, Dholavira, Ganweriwala.
Subsistence and Agriculture
Harappans had a broad diet of plants and animals, including fish and fowl, reconstructed from charred grains, seeds and bones. Farming is inferred from grain finds, terracotta plough models and an actual ploughed field, while water came from canals, wells and reservoirs. Proving that agriculture existed is easier than reconstructing exactly how it was practised.
- Grains: wheat, barley, lentil, chickpea, sesame; millets in Gujarat; rice rare.
- Domesticated: cattle, sheep, goat, buffalo, pig; wild boar, deer, gharial also found.
- Ploughed field with two perpendicular furrows at Kalibangan; plough models at Cholistan and Banawali.
- Canals only at Shortughai (Afghanistan); wells and Dholavira reservoirs elsewhere.
Mohenjodaro: A Planned Urban Centre
Urbanism was the most striking Harappan feature, best seen at Mohenjodaro. The site splits into a smaller, higher, walled Citadel built on mud-brick platforms and a larger, lower Lower Town. Deliberate planning shows in massive platform-building (an estimated four million person-days for foundations), a grid of streets laid before houses, and bricks of a fixed 4:2:1 ratio used everywhere.
- Citadel = smaller, higher, walled; Lower Town = larger, lower, grid-planned.
- Bricks standardised at length:breadth:height = 4:2:1 at all sites.
- Streets and covered drains laid first, then houses built along them.
- Domestic privacy: courtyards, no ground-level windows, indirect entrances; about 700 wells.
The Citadel and Its Public Structures
The Citadel held buildings for special public purposes, chiefly the warehouse and the Great Bath. The Great Bath was a watertight rectangular tank in a colonnaded courtyard, with step-flights to north and south and an adjacent block of eight bathrooms. Its uniqueness and setting suggest a ritual bath rather than ordinary bathing.
- Great Bath made watertight with bricks-on-edge and gypsum mortar.
- Warehouse: only the lower brick portion survives; the upper wooden part decayed.
- Drainage praised by Mackay as the most complete ancient system yet discovered.
Tracking Social Differences
Lacking texts, archaeologists infer inequality from burials and artefacts. Harappan dead were laid in pits, sometimes brick-lined, with pottery, ornaments and occasionally copper mirrors — but precious goods were largely NOT buried, unlike contemporary Egyptian pyramids. Objects are sorted into utilitarian and luxury categories to read social differences.
- Utilitarian: ordinary stone/clay items (querns, pots, needles) spread across all settlements.
- Luxuries: rare/costly/complex items (faience pots, gold) concentrated at Mohenjodaro and Harappa.
- All gold jewellery recovered from hoards; faience treated as precious.
- Harappa cemetery (mid-1980s): shell rings, jasper bead and micro-beads found near a male skull.
Craft Production
Craft is best studied at Chanhudaro, a tiny site (under 7 hectares versus Mohenjodaro's 125) almost wholly devoted to manufacturing. Activities included bead-making, shell-cutting, metal-working, seal-making and weight-making, using a striking variety of materials. Such specialised centres point to an organised, trade-linked economy.
- Bead materials: carnelian (red), jasper, crystal, quartz, steatite; copper, bronze, gold; shell, faience.
- Chanhudaro under 7 hectares; Mohenjodaro 125 hectares.
- Five crafts: beads, shell, metal, seals, weights.
Key terms
- Steatite
- Soft stone used to carve Harappan seals bearing animal motifs and script.
- Citadel
- Smaller, higher, walled western part on mud-brick platforms holding public buildings.
- Lower Town
- Larger, lower residential area with grid streets and connected drains.
- Faience
- Artificial material of ground silica/sand with colour and gum, fired; treated as precious.
- Carnelian
- Beautiful red semi-precious stone widely used for Harappan beads.
- Saddle quern
- Stone grinding tool, the main means of grinding cereals at Harappan sites.
- Great Bath
- Watertight rectangular tank on the Citadel, likely used for a ritual bath.
- Hoard
- A buried collection of valuables; all Harappan gold jewellery came from hoards.
- Archaeo-botany
- Study of ancient plant remains (charred grains/seeds) to reconstruct diet and farming.
- Archaeo-zoology
- Study of ancient animal bones to determine species and domestication.
Must-know facts exam-ready
- Total span 6000-1300 BCE; Mature (urban) Harappan = 2600-1900 BCE.
- Harappa was the first site discovered; Mohenjodaro is the best-known and best-preserved.
- More than 2000 sites; nearly two-thirds lie in the Saraswati basin.
- Five major cities: Rakhigarhi, Mohenjodaro, Harappa, Dholavira, Ganweriwala.
- Bricks standardised at a 4:2:1 (length:breadth:height) ratio at all sites.
- Ploughed field with two right-angled furrow sets at Kalibangan (Rajasthan), Early Harappan level.
- Terracotta plough models at Cholistan and Banawali (Haryana).
- Canals only at Shortughai (Afghanistan); water reservoirs at Dholavira (Gujarat).
- About 700 wells estimated at Mohenjodaro; Mohenjodaro 125 hectares vs Chanhudaro under 7 hectares.
- Great Bath made watertight with bricks-on-edge and gypsum mortar.
- Alexander Cunningham — first Director-General of ASI, 'father of Indian archaeology' (noted 1875 brick-robbing at Harappa).
- All gold jewellery found in hoards; faience considered precious.
Timeline
- c. 7000 BCEEarly farming communities precede the Harappan culture.
- 6000 BCEEarly (formative) Harappan phase begins.
- 2600 BCEMature (urban, most prosperous) Harappan phase begins.
- 1900 BCEDecline starts; Late (decadent) Harappan phase begins.
- 1300 BCECivilisation comes to an end.
- 1875 CECunningham notes brick-robbing at Harappa for the Lahore-Multan railway.
Memory tricks remember it for good
Traps to avoid
- Harappa was the FIRST site discovered, but Mohenjodaro is the best-preserved and best-known — don't swap them.
- 'Indus Valley' is partly a misnomer: nearly two-thirds of sites lie in the Saraswati basin, not the Indus.
- Citadel is the smaller, higher, walled part; Lower Town is larger and lower — easy to reverse.
- Great Bath and warehouse sit on the Citadel, not in the Lower Town.
- Canals were found only at Shortughai (Afghanistan), NOT in Punjab or Sind.
- Cunningham was the first DG of ASI; do not credit him with the actual 1920s excavations of the cities.
Exam focus
🧠 Prelims angles
- Site-to-feature matching: Kalibangan (ploughed field), Lothal & Dholavira (fortified, Gujarat), Banawali (plough model), Chanhudaro (crafts), Shortughai (canals).
- Materials: steatite (seals), faience, carnelian, gypsum mortar — what each is and where used.
- Chronology: Early/Mature/Late date ranges; Mature = urban phase 2600-1900 BCE.
- Brick ratio 4:2:1 and standardisation as proof of planning.
- Subsistence: crops (rice rare, millets in Gujarat) and domesticated animals.
- Personalities/bodies: Alexander Cunningham, ASI, and the five major cities.
✍️ Mains angles GS-I
- Discuss the town planning and water management of the Harappan Civilisation and its relevance for modern urban India.Build on grid streets, covered drains, standardised 4:2:1 bricks, wells, Dholavira reservoirs and the Great Bath.
- How do archaeologists reconstruct social and economic differences in a script-less civilisation?Use burials, luxury vs utilitarian artefacts, gold hoards and their spatial distribution across sites.
- The Harappan economy was specialised and trade-linked — examine.Cite Chanhudaro's craft specialisation, the variety of non-local raw materials, weights and seals.
Last-minute revision tick as you recall
- Span 6000-1300 BCE; Mature (urban) 2600-1900 BCE.
- Over 2000 sites; about two-thirds in the Saraswati basin.
- Five cities: Rakhigarhi, Mohenjodaro, Harappa, Dholavira, Ganweriwala.
- Bricks 4:2:1, standardised at all sites.
- Citadel: high, walled, Great Bath + warehouse; Lower Town: grid drains, about 700 wells.
- Great Bath watertight via bricks-on-edge + gypsum mortar; likely ritual.
- Kalibangan ploughed field; canals only at Shortughai; Dholavira reservoirs.
- Chanhudaro = craft hub; carnelian/faience beads; gold only in hoards.
- Cunningham = first DG ASI; Harappa first discovered, Mohenjodaro best preserved.
Distilled from NCERT Class 12 · Themes in Indian History - Part I for UPSC. Always cross-check facts with the original NCERT.