The Mauryan Empire: Chandragupta Maurya

Chandragupta Maurya built India’s first empire to reach across most of the subcontinent. Almost everything colourful we “know” about him comes from sources written centuries later.

Rock relief of Chandragupta Maurya at Birla Mandir (Laxminarayan Temple), New Delhi. No contemporary likeness of him survives; this is a modern commemorative sculpture. Photo by आशीष भटनागर (Ashish Bhatnagar), public domain (cropped), via Wikimedia Commons.

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AncHist0013 · Ancient Indian History

Chandragupta Maurya

Four fixed points in a reign where most dates are still argued over

c. 322–319 BCE

Dhana Nanda is overthrown

Chandragupta takes Pataliputra and founds the Maurya Empire. The campaign’s details survive only in much later, inconsistent legends.

305–303 BCE

War and treaty with Seleucus

Seleucus I cedes northwestern territory. Chandragupta hands over 500 war elephants, which prove decisive at Ipsus in 301 BCE.

After 303 BCE

Megasthenes at Pataliputra

The Seleucid ambassador spends about four years at court. His Indica survives only as fragments quoted by later writers.

c. 297 BCE

Bindusara succeeds him

The year and circumstances of Chandragupta’s death are disputed. His son extends Mauryan power further south.

The one hard document

Rudradaman’s Junagadh rock inscription, carved around 150 CE, records that the Sudarshana lake was built under Chandragupta by his governor Pushyagupta. It is rare physical evidence of Mauryan reach into Gujarat, independent of the legends.

📑 Contents

1From Obscurity to the Throne
2The War with Seleucus
3Chanakya and the Arthashastra Problem
4How the Empire Was Run
5Test Yourself
6Megasthenes and the Limits of the Indica
7The Jain Ending, and Why It Is Disputed

From Obscurity to the Throne Need to Know

Chandragupta Maurya founded the Maurya Empire. It was the first Indian state to control most of the subcontinent.
He overthrew Dhana Nanda, the last Nanda ruler of Magadha. Historians generally date this to about 322–319 BCE.
His reign is usually given as roughly 321 BCE to 297 BCE. The exact dates remain disputed.
Scholars differ widely here. Upinder Singh gives 324 or 321 BCE to 297 BCE, while others propose quite different ranges.
He kept Pataliputra (modern Patna) as his capital. He inherited it from the Nandas rather than founding it.
His origins are uncertain. There is no reliable information about his youth at all.
The Buddhist Mahavamsa calls him a Kshatriya of the Moriya clan.
The play Mudrarakshasa calls him vrishala and kula-hina, terms suggesting low or unrecognised birth.
The Roman historian Justin says only that he was born in humble life.
These sources disagree with each other. Treat any confident claim about his caste with real caution.
Accounts of the campaign itself also conflict. Buddhist texts suggest an easy victory; Hindu and Jain texts describe a hard-fought war.

The War with Seleucus Need to Know

Seleucus I Nicator was one of Alexander’s generals. He inherited Alexander’s eastern territories after his death.
Seleucus campaigned against Chandragupta between about 305 and 303 BCE.
The war ended in a negotiated treaty, not a conquest. Chandragupta came out of it with more territory.
Seleucus ceded lands in the northwest. The exact extent is unknown, and modern estimates are cautious.
Arachosia (around Kandahar) is widely accepted as part of the transfer.
Aria (around Herat) is often listed in older accounts. Much current scholarship rejects it.
In return, Chandragupta gave Seleucus 500 war elephants.
Those elephants mattered far beyond India. They helped Seleucus win the Battle of Ipsus in 301 BCE.
The treaty also involved epigamia, a Greek term for a marriage right. What it actually covered is disputed.
One reading is a dynastic marriage between the two houses. Another is a general right of intermarriage between Greeks and Indians.
No surviving Greek source names an Indian princess at Seleucus’s court. That silence is why the dynastic reading stays uncertain.

Chanakya and the Arthashastra Problem Good to Know

Tradition credits Chanakya, also called Kautilya, with guiding Chandragupta to power.
He appears in later texts as the strategist behind the Nanda overthrow.
Vishakhadatta’s Sanskrit play Mudrarakshasa dramatises that political intrigue. It was composed centuries after the events.
The Arthashastra is a detailed treatise on statecraft, economics and war, attributed to Kautilya.
Here is the catch students usually miss. Modern scholarship does not generally treat it as a document from Chandragupta’s own minister.
Linguistic analysis and internal evidence point to a considerably later text.
Current scholarly consensus places its final redaction around the 1st to 3rd century CE.
Mark McClish and Patrick Olivelle argue an earlier core was heavily expanded and redacted in that later period.
The text likely grew in layers, across generations of writers in one school of thought.
Older Indian scholars such as Shamasastry and K. P. Jayaswal did defend the 4th century BCE dating.
So the Arthashastra is superb evidence for Indian political thought. It is weak evidence for Chandragupta’s own reign specifically.

How the Empire Was Run Good to Know

Megasthenes describes Pataliputra as a large, heavily fortified city.
He reports a wooden palisade with 570 towers and 64 gates, ringed by a wide moat.
He describes the city being run by six committees of five members each.
Their portfolios covered industry, foreigners, births and deaths, trade, the sale of goods, and sales tax.
The Roman writer Pliny records a war office of 30 members, split into six boards of five.
Each board supervised one arm of the military.
Pliny gives the army as 600,000 infantry, 30,000 cavalry, 9,000 elephants and 8,000 chariots.
Treat those figures as impressions, not audited numbers. Ancient sources routinely inflate army sizes.
The empire ran from the Himalayas and the Kabul valley down towards the Vindhyas.
Kalinga and the far south stayed outside it. Kalinga was only taken later, by Ashoka.
The hardest evidence for Mauryan reach is the Junagadh rock inscription of Rudradaman, carved around 150 CE.
It records that the Sudarshana lake in Saurashtra was built under Chandragupta, by his governor Pushyagupta.
Conduits were added later under Ashoka. This confirms Mauryan control of Gujarat from a source independent of the legends.

Test Yourself

Megasthenes and the Limits of the Indica Great to Know

Seleucus sent Megasthenes as his ambassador to Chandragupta’s court. He served there for about four years.
Megasthenes wrote an account of the country called the Indica.
The original work is lost. It survives only as fragments quoted by later writers.
Strabo, Arrian and Diodorus preserve most of what we still have.
The German scholar Schwanbeck collected these scattered fragments together in the 19th century.
Megasthenes divided Indian society into seven classes.
These were philosophers, farmers, herdsmen and hunters, artisans, soldiers, overseers, and councillors.
Notice the problem. Seven classes does not match the four-varna scheme of Indian texts.
Most historians think he recorded real occupational groupings. But he arranged them inside a Greek framework borrowed from Herodotus.
Historians therefore use the Indica carefully. They cross-check it against inscriptions and archaeology rather than taking it at face value.
They do not dismiss it either. His administrative and topographical detail is specific enough that most accept he visited the court.

The Jain Ending, and Why It Is Disputed Great to Know

A famous tradition says Chandragupta gave up his throne and became a Jain ascetic.
In this account he followed the teacher Bhadrabahu south to Shravanabelagola in Karnataka.
He is then said to have died by sallekhana, the Jain practice of fasting to death.
The story is widely repeated and worth knowing. Its historical standing is weak.
The accounts come from Digambara Jain sources, and they are late.
The Jain scholar Paul Dundas notes these legends developed after 600 CE.
Some of the key texts were written more than 1,200 years after Chandragupta died.
Dundas also suggests possible confusion with a later figure, Samprati Chandragupta.
Sushma Jansari calls the evidence for the conversion “both late and problematic”.
Outside Jain sources, no independent evidence supports the conversion at all.
Contemporary Greek evidence points the other way. It describes Chandragupta drinking wine and performing yajna and animal sacrifice.
That sits badly with Jain ahimsa. It is the strongest argument against the tradition.
The honest position is this. The tradition is real and old within Jainism, but it is not established history.
Chandragupta’s death is usually placed around 297 BCE. The circumstances stay unclear and disputed.
His son Bindusara succeeded him, and pushed Mauryan power further south.