Having read about the Stone Age and Copper Age, it becomes important to know about the Bronze Age Civilization i.e. Indus Valley Civilization (IVC). This topic is important for both UPSC Prelims and Mains perspectives. We will try to give a slightly detailed understanding of IVC. Don’t worry if you feel, there’s so much data or facts to remember. As we said before in the previous topic, focus on the general understanding of each sub-topic, try to catch the pattern, and remember few basic points.
The Indus Valley Civilization or Harappan Civilisation (part of Proto-history) was the first urban civilization in South Asia. IVC, Mesopotamian (also called Sumerian (4500-1900 BCE)), and Egyptian (3200-1000 BCE) along with Chinese civilization were the earliest of settlement showing complex societal life. They were called ‘Cradles of Civilization’. For sake of study, IVC has been divided into three phases.
There is no completely accepted theory on the origin of Harappan culture but is generally believed to have originated from the Pre-Harappan indigenous village culture.
Rakhigarhi findings: DNA study of skeletal remains found at Rakhigarhi cemetery shows that the people of IVC had an independent origin (previous theory had predicted Harappans originated from Steppe pastoral or Iranian farmer ancestry)
| Features | Description | Significance |
![]() | Division of City
Raised Part (called Citadel): Consisted of housing for rulers and important public buildings such as granaries, workshops. It was mostly situated west of the city.
Lower Part (eastern side of town): Consisted of houses of common citizens (see illustration map) | It shows the presence of social hierarchy and some administrative authority.
Also, the Public and Private sphere was separated as the town was divided into two parts (as is also done in modern town planning) |
| Streets | It followed a grid pattern (i.e. streets cut each other at right angles, thus dividing the city into several rectangular blocks) | It shows excellent knowledge of measurement and urban planning of Harappan people. |
| Drainage system | Drains connected all the houses and were made up of mortar, lime, and gypsum and covered with large brick slabs for easy cleaning | It shows Harappan people paid great attention to Health and Sanitation |
| Houses | They were often of two or more stories, but no window faced the streets | Often the 2nd story was made on 1st when it had subsided. It shows Harappan inhabited the place for a longer time |
| Building materials | Standardized burnt-bricks of ratio 1:2:4 found in all the sites (no stone was used) (*Egyptian civilization at that time used mud-bricks and stones) | It shows the presence of centralized weights and measurement systems. |
| Features | Description | Significance |
| Division in Society | Harappan society was an urban society and comprised of at least three distinct social groups: Ruled, rich merchants, and poor laborers who lived in the lower part of the city | It shows the division of labor and specialization in Harappan society. It also shows that Harappans had well organized administrative machinery |
| Clothing | Harappan people generally wore garments of cotton and wool | It shows advancement in the weaving of cotton and wool and diversification of choices |
| Food Habits | The Harappan societies of Sindh and Punjab largely consumed wheat and barley while those of Rangpur and Surkotda consumed rice and millets. Fish and Molluscs eating was also common Dairy production evidence has been found by the recent molecular study at the Kotada Bhadli (Gujarat) | The urban settlement near river valleys provided fertile ground for a variety of crops to be grown. Harappans were advanced in their agriculture practices. |
| Religion | Harappan believed in Nature Worship– Gods in the form of trees such as Peepal and animals (bull). Idolatry was prevalent, they also worshipped Mother goddess, Pasupati yogi (lord of cattle), and Phallic symbols | Harappans were called secular society as no temple (except for the great bath) or religion have been found (unlike in other contemporary civilizations) |
| Script and Languages
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Harappan script disappeared by 1700 BCE, showing the lack of percolation of the writing of IVC to other civilizations | Recent theories have pointed out the similarity between ancient Tamil and Harappan scripts. But until the Harappan script is deciphered, the conclusion cannot be made
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| Beliefs | Harappans believed in evil forces and ghosts and used amulets as protection against them | This was true about most of the primitive society |
| Burial practices
| Dead bodies were placed in the North-South direction (extended inhumation) and were accompanied by food, pottery, jewelry, etc. The graveyard was within the settlement. They practiced three types of burial:-
| It shows their strong belief in life after death, which was similar to the belief system of other contemporary civilizations, however; the items kept were not as expensive as other civilizations. |

| Features | Description | Significance |
| Agricultural economy | Main crops were Wheat, Barley, Rice (found in Lothal and Rangpur only), Dates, Mustard, Cotton (1st in the world) | It shows the advancement of Harappans in agriculture technology – used wooden plowshare, Well irrigation (Alladinho), Dams, and irrigation canals (Dholavira) |
Manufacturing |
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| Pottery
| The Harappans used Red and Black pottery (Redware painted with black designs) and also knew the use of Potter’s wheel with ease | It shows the expertise of Harappans in pottery making e.g. Glazed pottery (Harappa), incised pottery, perforated pottery, etc. |
| Trade
| Harappans had trade with Mesopotamia (Sumeria), Central Asia, Persia, Afghanistan Makan (Oman), and Dilmun (Bahrain). Trade was through the barter system.
| It shows the advanced trade relation of Harappan civilization with other parts of India as well as also with other contemporary civilizations.
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| Weights and Measures
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The measure of length was based upon a foot of 37.6cm and a cubit | The standardization and accuracy of weights and measures throughout the IVC were remarkable. |
| Seals
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Humpless bull is the most used animal in seals | Harappan seals are the greatest artistic creation and were used to mark ownership of property and in trade |

IVC declined after 1900 BCE, however, reasons for the decline are still disputed. There are various theories for its decline such as – (* No need to remember all these names, just glance at it)
| Causes | Historians |
| Drying of Ghaggar river and increasing aridity | D.P Agrawal and Sood |
| Flood | Macay and S R Rao |
| Low Rainfall | Dales, Vatsa and Lambricks |
| Ecological Disturbance | Fairchild |
| Aryan Invasion | Wheeler and Gordon |
| Earthquake | Raikes and Dales |
| Natural Calamity | K.A.R Kennedy |
A recent finding titled ‘Neoglacial climate anomalies and the Harappan metamorphosis’, done by an international team of scientists has suggested climate change as the possible reason for the decline of the Indus Valley Civilisation. Changes in temperature and precipitation led to the decline of monsoon and drying up of the Ghaggar-Hakra River. This led to a decline in crop and urban Harappan society turning rural.
| Sites | Features |
| Harappa (on Ravi River)
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| Mohenjo-Daro (Indus river) (mounds of Dead)
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Bronze mirror, needle, saw, and the Bronze statue of the bull
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| Lothal (Bhogava River, Gujarat) (also means ‘mounds of dead’ like Mohenjo-Daro)
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Sacrificial Altar (at Lothal and Kalibagan)- Shows medical and surgical skills
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| Dholavira (Khadir bet island in the Kutch Desert Wildlife
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| Rakhigarhi (on Ghaggar –Hakra river, Haryana)
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Government (2021-22 budget) will fund on-site museums (also at Hastinapur (UP), Shivsagar (Assam), Dholavira (Gujarat), and Adichanallur (TN) |
| Chanhudaro (on Indus river) |
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| Kalibangan (on Ghaggar river, RJ) (means ‘Black Bangles’) |
Fire altars (shows cult of sacrifice) |
| Bhirrana (Haryana) | Now considered to be Oldest discovered IVC site dating back to 7500 BCE (earlier Mehargarh (Pak) was considered to be Oldest ) |

Differences between IVC and that of Egyptian and Mesopotamian Civilization:
| Features | HARAPPAN | EGYPTIAN/MESOPOTAMIAN |
| Urban Planning | Planned towns with a grid-like pattern | Towns show haphazard growth |
| Script | Invented their own typical pictographic script | Mesopotamia has a cuneiform script and the Egyptian script is known as hieroglyphics. Both scripts have been deciphered |
| Writing Material | The majority of the Script has been found on the seals | The majority of the Mesopotamian script has been found on the clay tablets while Egyptians wrote on papyrus sheets made of reeds. |
| Extent of Civilization | Spread was 20 times that of Mesopotamian and Egyptian Civilization | Less area as compared to IVC |
| Building Material | Burnt Bricks | Egyptians used Dried Bricks, whereas Mesopotamians used Baked Bricks |
| Religion | No temples or religious structures have been found | Had elaborate religious practices, magic spells, and dominance of priest |
| Weapons | No clear evidence of war or weapons | Clear evidence of wars and expedition in other two civilizations |
| Decline of Civilization | Declined after 1900 BCE | Both the civilization continued to exist even after 1900 BCE. |
Similarities in IVC and Egyptian / Mesopotamian Civilization:
Q. Which of the following characterizes / characterizes the people of the Indus Valley Civilisation? (2013)
Select the correct statement/statements using the codes given below.
Q. Regarding the Indus Valley Civilisation, consider the following statements: (2011)
Which of the statements given above is/are correct?
Q. Match List I with List-II and select the correct answer using the codes given below: (2002)
Ancient Site Finding
(A)Lothal i. Ploughed Field
(B)Kalibangan ii. Dockyard
(C)Dholavira iii. Terracotta replica of a plough
(D)Banawali IV. An Inscription comprising ten large-sized signs of the Harappan Script
Codes
Q. Which of the following animals was not represented in seals and terracotta art of Harappan Sculpture? (2002)
Answers: 1. (B), 2. (C), 3. (B), 4. (A)
The ancient civilisation in the Indian sub-continent differed from those of Egypt, Mesopotamia, and Greece in that its culture and traditions have been preserved without a breakdown to the present day. Comment. (2015) (Answer already in Notes)
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