Indus Valley Civilization Notes for BSSC, UPSC & State PSC (2025-26)

Q: Which is the largest site of the Indus Valley Civilization discovered so far?

Rakhigarhi (Haryana) is the largest Indus Valley Civilization site discovered so far, both in India and overall. This was confirmed after two additional large mounds were discovered in 2014.

Q: Which Harappan site is uniquely divided into three parts?

Dholavira (Gujarat) is the only Harappan site divided into three distinct parts, unlike most other IVC cities which were divided into two — a citadel and a lower town.

Q: Where are the Great Bath and Great Granary located?

Both the Great Bath and the Great Granary are located at Mohenjodaro (Sindh, Pakistan). The Great Bath measures 12×7×2.4 metres and was waterproofed with gypsum mortar.

Q: Which metal was unknown to the Indus Valley people?

The Harappans had no knowledge of Iron. They knew copper, bronze, silver, and gold, but iron was completely absent from their civilization.

Q: Which animal is NOT depicted on the Pashupati seal found at Mohenjodaro?

The Lion is not depicted on the Pashupati seal. The seal shows Pashupati (Proto-Shiva) surrounded by four animals — Elephant, Tiger, Rhinoceros, and Buffalo — with two Deer at his feet. The lion was not known to Indus people.

Q: What name did the Greeks give to the cotton produced by the Harappans?

The ancient Greeks called the cotton produced by the Harappans 'Sindon', a word derived from Sindh. The Indus Valley people were the first in the world to cultivate and produce cotton.

Q: Which Harappan site has evidence of an ancient artificial brick dockyard?

Lothal (Gujarat, India) has the only evidence of an ancient artificial brick dockyard in the Indus Valley Civilization. It was excavated by S.R. Rao in 1954 and is considered the oldest known planned port city.

Q: Which is the only Indus Valley city without a fortified citadel?

Chanhudaro (Sindh, Pakistan) is the only Harappan city that did not have a fortified citadel. It is also known as the 'Lancashire of India' for its bead-making industry.

Q: At which IVC site were actual horse bones exclusively found?

Evidence of actual horse bones has been exclusively found at Surkotada in Gujarat. While horses are generally absent from IVC evidence, Surkotada provides the only confirmed osteological evidence of the horse in the Harappan context.

Q: What is the writing style of the Indus Valley script called?

The Indus Valley script was written in the Boustrophedon style — written right to left in the first line, then left to right in the second line, alternating with each line. This was discovered from overlapping letters on potsherds found at Kalibangan.

The Indus Valley Civilization (IVC), also known as the Harappan Civilization, flourished from approximately 2500 BC to 1750 BC and is regarded as the first urban civilization of the Indian subcontinent. It is famous for advanced town planning, a grid road system, standardized burnt bricks, and the world's first known urban drainage system. Rakhigarhi (Haryana) is the largest site overall; Bhirrana (Haryana) is the oldest.

1. Introduction & Classification 📜

Time Period: 2500 BC – 1750 BC (most accepted by Carbon-14 dating)
Early Phase: 3000–2600 BCE | Mature Phase: 2600–1900 BCE | Late Phase: 1900–1700 BCE
Nomenclature: John Marshall was the first scholar to use the term 'Indus Civilization'. Also called Harappan Civilization (Harappa was the first discovered site) and Indus-Saraswati Civilization (80% of settlements were along the Saraswati river).
Era: Bronze Age / Proto-Historic (Chalcolithic) Period

Key Figures

Alexander Cunningham: 1st Chairman of ASI — Father of Indian Archaeology
Debala Mitra: 1st Woman Director of ASI
Dayaram Sahni: Discovered Harappa in 1921
Rakhal Das Banerjee: Discovered Mohenjodaro in 1922

⭐ Record-Breaking Exam Facts

Oldest Site: Bhirrana (Haryana)
Largest Site (India & Overall): Rakhigarhi (Haryana) — confirmed after two large mounds discovered in 2014
First Urban Civilization of India: The Harappan Civilization holds this title

2. Geographical Extent & Boundaries 🗺️

The civilization spread over Sindh, Baluchistan, Punjab, Haryana, Rajasthan, Gujarat, Western U.P., and Northern Maharashtra. Most IVC sites in India are found in Gujarat.

Northernmost site: Manda — Jammu & Kashmir, on the river Chenab
Southernmost site: Daimabad — Maharashtra, on the river Pravara
Easternmost site: Alamgirpur — Uttar Pradesh, on the river Hindon
Westernmost site: Sutkagendor — Pakistan-Iran Border, Makran Coast, on the river Dashk

Map showing the geographical extent of the Indus Valley Civilization — from Manda (J&K) in the north to Daimabad (Maharashtra) in the south, and from Sutkagendor (Makran coast) in the west to Alamgirpur (UP) in the east — Geographical extent and key archaeological sites of the Indus Valley Civilization (Bilingual & Search Engine Indexable text labels)

3. Town Planning & Architecture 🧱

Grid System: The most distinct feature — roads/streets intersected at perfect right angles (90°)
Burnt Bricks: Used extensively in a standardized ratio of 1:2:4
Underground Drainage: Systematic network with sumps/cesspits; covered with limestone slabs
Citadel (Acropolis): Smaller, higher, fortified — for public buildings
Lower Town: Larger, lower — for residential buildings

⚠️ Major Exceptions — Frequently Asked

Chanhudaro: The ONLY Harappan city without a Citadel
Dholavira: The ONLY site divided into THREE parts (not the usual two)
Banawali: Lacked both systematic drainage AND the grid road pattern
Lothal: Citadel was NOT surrounded by independent fortification

3D cutaway schematic diagram illustrating ancient Harappan city layout and underground drainage system — 3D Cutaway of Harappan grid town planning showing standard brick houses and underground covered street drainage channels

4. Agriculture & Animal Domestication 🌾

Major Crops: Wheat and Barley
Cotton (First in World): Harappans were the first to produce cotton. The ancient Greeks called it 'Sindon' (from Sindh)
Ploughing Evidence: A ploughed field surface found at Kalibangan. Terracotta plough models found at Cholistan and Banawali
Animals Domesticated: Sheep, goat, humped/humpless bull, buffalo, boar, dog, pig, camel, elephant

⚠️ Tricky Exam Traps — Metals & Animals

🚫 NO IRON: Harappans knew copper, bronze, silver, gold — but had NO knowledge of Iron
🚫 NO LION: The lion was not known to Indus Valley people
🚫 COW ABSENT ON SEALS: Cow was NOT depicted on any seals or terracotta art
🐴 HORSE MYSTERY: Generally absent, but actual horse bones found exclusively at Surkotada (Gujarat)
🌾 RICE EVIDENCE: Very rare — found only at Lothal and Rangpur (Gujarat)

5. Trade & Commerce 🚢

Trade System: Barter system. Precise uniform weights made of 'Chert' stone were used. Lower denominations were Binary; higher denominations were Decimal (multiples of 16).
Ports: Lothal, Sutkagendor, Balakot, Allahdino, Kuntasi
Mesopotamian Links: Referred to as 'Meluha' in Sumerian texts. Trading stations: Dilmun (Bahrain) and Makan (Makran coast)

📌 Resource Procurement Match-the-Following

Copper: Khetri Mines (Rajasthan), Oman
Gold: Kolar (Karnataka), Afghanistan, Persia
Lapis Lazuli: Shortugai/Badakshan (Afghanistan)
Steatite: South Rajasthan, North Gujarat

6. Religion, Script & Culture 🕉️

No Temples Found: Temples were absent in the entire IVC.
Mother Goddess (Matridevi): Represents the most common clay figurine discovered.
Pashupati Seal: Proto-Shiva in yogic posture surrounded by Elephant, Tiger, Rhino, Buffalo; two Deer at feet.
Swastika origin: The origin of the Swastika symbol is traced to the Indus Civilization.
Script: Pictographic, undeciphered, written in Boustrophedon style (alternating directions).
Burial: Inhumation (complete burial) was the most common burial method.

7. Major Sites & Archaeological Finds 🏛️

The archaeological excavations of different cities revealed unique aspects of the Harappan civilization. Below are the key diagnostic finds that frequently feature in competitive exams:

Harappa: Cemetery R-37, sandstone sculpture of torso, and row of six granaries.
Mohenjodaro: The Great Bath, the Great Granary, the bronze Dancing Girl, and a bearded priest bust.
Lothal: Artificial brick dockyard, fire altars, double burials (male/female together), and terracotta ship models.
Dholavira: Advanced water harvesting system with reservoirs, a large playground/stadium, and a 10-character signboard.
Kalibangan: Ploughed fields, wooden furrow marks, and decorative terracotta bangles.

Collage of famous Indus Valley Civilization artifacts: the Priest-King bust, the Pashupati Seal, and the Bronze Dancing Girl — Key archaeological findings of the Indus Valley Civilization: Bearded Priest-King, Pashupati Seal, and the Bronze Dancing Girl

8. Quick Revision Table ⚡

Site (State)	River	Excavator	Key Finds & Diagnostic Features
Harappa (Punjab, Pak)	Ravi	D.R. Sahni (1921)	6 Granaries in row, Cemetery R-37, Sandstone male torso
Mohenjodaro (Sindh, Pak)	Indus	R.D. Banerjee (1922)	Great Bath, Great Granary, Bronze Dancer, Bearded Priest, Pashupati Seal
Chanhudaro (Sindh, Pak)	Indus	N.G. Majumdar (1931)	No citadel, Bead-making factory, Lipstick, Inkpot, Dog footprint on brick
Lothal (Gujarat)	Bhogava	S.R. Rao (1954)	Dockyard, Rice husk, Double burial, Fire altars, Chess-board pieces
Kalibangan (Rajasthan)	Ghaggar	A. Ghosh, B.B. Lal	Ploughed field, 7 Fire altars, Camel bones, Wooden drainage, Bangles
Dholavira (Gujarat)	Luni	J.P. Joshi, R.S. Bisht	3-part city division, Large water reservoir, Stadium, Signboard script
Surkotada (Gujarat)	—	J.P. Joshi (1964)	Horse bones, Pot burials, Stone rubble fortification
Rakhigarhi (Haryana)	Ghaggar	Suraj Bhan	Largest IVC site overall, Granary, terracotta bricks, noble tombs

9. Rapid Fire MCQs 🎯

Q1. Which is the largest site of the Indus Valley Civilization discovered so far?

(A) Mohenjodaro
(B) Harappa
(C) Dholavira
(D) Rakhigarhi

Q2. Which Harappan site is uniquely divided into three parts?

(A) Kalibangan
(B) Lothal
(C) Dholavira
(D) Chanhudaro

Q3. Where are the Great Bath and Great Granary located?

(A) Harappa
(B) Mohenjodaro
(C) Lothal
(D) Kalibangan

Q4. Which metal was unknown to the Indus Valley people?

(A) Copper
(B) Bronze
(C) Gold
(D) Iron

Q5. Which animal is NOT depicted on the Pashupati seal found at Mohenjodaro?

(A) Elephant
(B) Tiger
(C) Lion
(D) Buffalo

Q6. What name did the Greeks give to the cotton produced by the Harappans?

(A) Indus
(B) Sindon
(C) Harappa
(D) Cottonia

Q7. Which Harappan site has evidence of an ancient artificial brick dockyard?

(A) Lothal
(B) Sutkagendor
(C) Balakot
(D) Kuntasi

Q8. Which is the only Indus Valley city without a fortified citadel?

(A) Lothal
(B) Chanhudaro
(C) Kalibangan
(D) Banawali

Q9. At which IVC site were actual horse bones exclusively found?

(A) Lothal
(B) Surkotada
(C) Dholavira
(D) Banawali

Q10. What is the writing style of the Indus Valley script called?

(A) Boustrophedon
(B) Brahmi
(C) Kharosthi
(D) Hieroglyphic