Written by 12:25 pm History Notes

Indus Valley Civilization Site – Mohenjo-daro

Mohenjo-daro, a major Indus Valley Civilization site, covering town planning, the Great Bath, drainage system, architecture, economy, and its significance for Prelims and Mains 2026.

Introduction

Mohenjo-daro was one of the most prominent urban centers of the Indus Valley Civilization (c. 2600–1900 BCE). Located on the banks of the Indus River in present-day Pakistan, it represents the peak of urban planning, engineering, and socio-economic organization in ancient India.

The name “Mohenjo-daro” literally means “Mound of the Dead”.


Discovery and Excavation

  • Discovered in 1922 by R. D. Banerji.
  • Excavations were led by John Marshall.
  • It is a Mohenjo-daro UNESCO World Heritage Site (inscribed in 1980).

Town Planning of Mohenjo-daro

Mohenjo-daro is considered the best-planned city of the Indus Valley Civilization.

1. Grid Pattern Layout

  • City divided into rectangular blocks.
  • Streets intersected at right angles (grid system).
  • Reflects advanced urban planning.

2. Division of City

  • Citadel (Western part):
    • Elevated, possibly administrative/religious area.
  • Lower Town (Eastern part):
    • Residential area for common people.

3. Standardized Construction

  • Uniform use of baked bricks (ratio 1:2:4).
  • Houses built around courtyards.

Major Architectural Features

1. The Great Bath

  • Located in the Citadel.
  • One of the most iconic structures of Mohenjo-daro.

Features:

  • Rectangular tank (~12 m × 7 m × 2.4 m).
  • Waterproofed with bitumen.
  • Surrounded by rooms and galleries.
  • Separate inlet and outlet for water.

Significance:

  • Likely used for ritual bathing.
  • Indicates importance of purification practices.

2. Granary

  • Large rectangular structure.
  • Possibly used for storage of grains.
  • Indicates:
    • Surplus production
    • Organized economy
    • State control or redistribution system

3. Assembly Hall / Pillared Hall

  • Large hall with multiple pillars.
  • Possibly used for:
    • Public gatherings
    • Administrative purposes

4. Residential Buildings

  • Houses ranged from small to large.
  • Key features:
    • Private wells
    • Bathrooms
    • Courtyards
  • Some houses had two storeys.

Drainage System (Most Advanced Feature)

Mohenjo-daro is globally famous for its highly sophisticated drainage system.

Key Features:

  • Covered drains along streets.
  • Drains connected to individual houses.
  • Use of soak pits.
  • Regular intervals for cleaning (inspection holes).

Significance:

  • Demonstrates:
    • Advanced engineering
    • Public health awareness
    • Civic administration

Water Management System

  • Numerous wells throughout the city.
  • Each house often had access to water.
  • Efficient water supply + drainage = urban sanitation model.

Economic Life

1. Agriculture

  • Wheat, barley, pulses cultivated.
  • Irrigation possibly practiced.

2. Trade and Commerce

  • Trade links with:
    • Mesopotamia
  • Evidence:
    • Seals
    • Standardized weights and measures

3. Craft Production

  • Bead-making
  • Pottery
  • Metalwork (bronze, copper)

Art and Culture

1. Sculpture

  • Famous artifacts:
    • Priest-King statue
    • Dancing Girl (Bronze statue)

2. Seals

  • Made of steatite.
  • Depict animals like:
    • Unicorn
    • Bull

3. Script

  • Indus script (undeciphered).

Social Structure

  • No clear evidence of:
    • Kings
    • Palaces
  • Suggests:
    • Possibly egalitarian society
    • Strong civic authority instead of monarchy

Religious Practices

  • No temples found.
  • Evidence suggests:
    • Ritual bathing (Great Bath)
    • Mother Goddess worship
    • Proto-Shiva (Pashupati seal)

Decline of Mohenjo-daro

Possible causes:

  1. Flooding of Indus River
  2. Climate change
  3. Decline in trade
  4. Earthquakes
  5. Gradual urban decay

(No single theory universally accepted)


Significance of Mohenjo-daro

  • Represents earliest urbanization in India
  • Shows:
    • Advanced engineering
    • Civic governance
    • Sanitation systems
  • Provides insight into:
    • Socio-economic life of Harappans

Mains Answer Writing Format

Q. Discuss the urban planning and architectural features of Mohenjo-daro.

Introduction:
Mohenjo-daro, a major urban center of the Indus Valley Civilization, exemplifies advanced planning and civic organization.

Body:

  • Grid pattern town planning
  • Citadel and Lower Town division
  • Great Bath (ritual importance)
  • Granary and public buildings
  • Advanced drainage system
  • Standardized construction

Conclusion:
Mohenjo-daro reflects a highly organized and technologically advanced civilization, highlighting the sophistication of early Indian urban culture.


Prelims Pointers

  • Located in Sindh (Pakistan)
  • Discovered by R. D. Banerji (1922)
  • Known for Great Bath & drainage system
  • UNESCO World Heritage Site
  • Indus script → undeciphered

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