Who among the following rulers of Vijayanagara Empire constructed a large dam across Tungabhadra River and a canal-cum-aqueduct several kilometres long from the river to the capital city?

Updated 11 Apr 2026 · From UPSC Prelims GS Paper I 2023, Q8

Contents12
UPSC Prelims GS2023Ancient and Medieval Indian History
  1. ADevaraya I
  2. BMallikarjuna
  3. CVira Vijaya
  4. DVirupaksha
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Answer: (A) Devaraya I

Devaraya I of the Vijayanagara Empire built a dam (barrage) across the Tungabhadra River around 1410 AD and constructed a 24 km long canal-aqueduct from the river to the capital city.

This is recorded in the account of Nuniz.

Answer is (a) Devaraya I.

Why this was asked

Devaraya I built a 24-kilometer canal system from Tungabhadra River to Vijayanagara capital around 1410 AD, demonstrating advanced hydraulic engineering that sustained the empire's urban center.

The question tests knowledge of specific infrastructure achievements by individual Vijayanagara rulers, requiring students to connect engineering projects with particular kings rather than just knowing general empire history.

Devaraya I & His Achievements

Ancient And Medieval History Devaraya I Tungabhadra River dam canal-cum-aqueduct

Devaraya I: The Engineer King of Vijayanagara (1406-1422 AD)

Must know

Devaraya I built a dam across Tungabhadra River and 24 km canal-aqueduct to Vijayanagara city around 1410 AD

Ruled from 1406-1422 AD during the Sangama dynasty period

Good to know

His engineering projects were recorded by Portuguese chronicler Nuniz

Successfully defended against Bahmani Sultanate attacks

The Engineering Marvel

Devaraya I was the most accomplished ruler of the early Sangama dynasty. Around 1410 AD, he constructed a massive dam (barrage) across the Tungabhadra River and built a sophisticated 24-kilometer canal-aqueduct system that brought water directly to the capital city of Vijayanagara. This engineering feat solved the water supply problem for the growing urban population and demonstrated the advanced hydraulic knowledge of medieval Indian engineers.

Key Achievements of Devaraya I

Achievement

Details

Significance

Tungabhadra Dam

Barrage across river around 1410 AD

Ensured water supply control

Canal-Aqueduct

24 km long from river to capital

First major irrigation project of Vijayanagara

Military Reforms

Strengthened cavalry and artillery

Successfully resisted Bahmani invasions

Administrative Reforms

Improved revenue collection

Strengthened empire's financial base

Historical Sources

The detailed account of Devaraya I's engineering projects comes from Domingo Paes and Fernão Nuniz, Portuguese chroniclers who visited Vijayanagara in the 16th century. Nuniz specifically recorded the impressive canal system and described how it transformed the capital's water management.

Vijayanagara Location

Tungabhadra River was the lifeline of Vijayanagara Empire - Devaraya I's dam controlled this crucial water source
Tungabhadra River was the lifeline of Vijayanagara Empire - Devaraya I's dam controlled this crucial water source

Source: Prepp — Vijayanagara Kingdom (1336 - 1672 CE) - Medieval India History Notes · prepp.in

Exam traps

Trap: Confusing Devaraya I (dam builder, 1406-22) with Devaraya II (1424-46) who employed foreign experts

Trap: Mixing up Portuguese chroniclers - Nuniz recorded the dam, Paes described the city's grandeur

Trap: The question asks about canal-cum-aqueduct - this specific term refers to Devaraya I's project, not general irrigation

Other Vijayanagara Rulers in Options

Ancient And Medieval History Mallikarjuna Vira Vijaya Virupaksha

Vijayanagara Rulers: Mallikarjuna, Vira Vijaya & Virupaksha

Must know

Mallikarjuna (1446-65) faced Bahmani attacks and lost northern territories

Good to know

Virupaksha (1465-85) was the last effective Sangama dynasty ruler

Vira Vijaya was a minor ruler during transition periods

Comparison of Option Rulers

Ruler

Dynasty

Period

Key Events

Major Achievements

Devaraya I

Sangama

1406-1422

Built Tungabhadra dam

Engineering projects, military reforms

Mallikarjuna

Sangama

1446-1465

Bahmani invasions

Defended core territories

Virupaksha

Sangama

1465-1485

Dynasty decline begins

Last strong Sangama ruler

Vira Vijaya

Various periods

Multiple reigns

Transitional ruler

Limited historical records

Why Others Are Incorrect

Mallikarjuna is famous for military campaigns against Bahmani Sultanate, not engineering projects

Virupaksha ruled during the decline phase when resources were focused on defense, not infrastructure

Vira Vijaya appears in multiple contexts but no major construction projects are attributed to him

Only Devaraya I has documented evidence of the specific Tungabhadra dam and canal system

Exam traps

Trap: Mallikarjuna sounds impressive but he was focused on warfare, not water management

Trap: Virupaksha was an important ruler but came after the major infrastructure phase

Trap: Multiple rulers had similar names - always check the specific achievement being asked

Portuguese Chronicles of Vijayanagara

Ancient And Medieval History Nuniz

Portuguese Chronicles: Primary Sources on Vijayanagara Empire

Must know

Fernão Nuniz and Domingo Paes were Portuguese chroniclers who documented Vijayanagara

Nuniz specifically recorded Devaraya I's dam and canal system

Good to know

Their accounts are crucial primary sources for Vijayanagara history

Portuguese Presence

Portuguese traders and chroniclers visited the Vijayanagara Empire in the 15th-16th centuries during the height of European exploration of the Indian Ocean trade routes. Their detailed accounts provide invaluable insights into the empire's administration, architecture, and engineering achievements that Indian sources sometimes lack.

Key Portuguese Chroniclers

Chronicler

Period of Visit

Focus Area

Key Contributions

Domingo Paes

1520s

City description, royal court

Detailed account of Vijayanagara's grandeur

Fernão Nuniz

1535-37

History, engineering works

Recorded Devaraya I's dam project

Barbosa

Early 16th century

Trade and commerce

Economic activities of the empire

Importance as Historical Sources

Provide external perspective on Vijayanagara Empire during its peak period

Document engineering achievements like dams and canals that Indian inscriptions may not detail

Describe daily life, trade practices and court ceremonies from European viewpoint

Help cross-verify information from Indian sources like inscriptions and literary works

Exam traps

Trap: Confusing Nuniz (who wrote about the dam) with Paes (who described the city)

Trap: These are 16th century sources writing about earlier events - not contemporary to Devaraya I

Trap: Portuguese chronicles are secondary sources for Devaraya I's time, but primary sources for 16th century Vijayanagara