Mahajanapadas and the Rise of Magadha

Think of north India around 600 BCE as a crowded map. The old tribes of the Vedic age have settled down and each tribe has become a janapada, a 'foothold of the people', named after the tribe that lives there. Iron ploughs have made farms richer, villages have grown into towns, and kings have started collecting regular taxes and keeping armies. The strongest of these states are called Mahajanapadas, 'great realms'. Their story is a story of competition, and in the end one state, Magadha, wins it.

Two big sources list the Mahajanapadas. The Buddhist text Anguttara Nikaya names sixteen (the list asked in exams). The Jain text Bhagavati Sutra gives a different list of sixteen. All were in north and north-west India, except Assaka (Ashmaka) which lay on the Godavari in the south. Most were monarchies, but a few were republics (ganas or sanghas).

Of the sixteen, four were the real power centres in the age of the Buddha: Magadha, Kosala, Vatsa and Avanti. They fought each other for rivers, trade routes and land, and made marriage alliances to avoid war.

Not every state had a king. In the foothills of the Himalayas and the north Bihar plains lived tribes that governed themselves as republics (ganas or sanghas). Power was held by an assembly of the heads of the leading families (called rajas), who met in a Santhagara (assembly hall), debated, and decided by majority vote using voting tickets (salaka). The Buddhist Sangha later copied this model.

Why did Magadha, one of sixteen equals, swallow all the others? Historians do not credit a single cause. Magadha had a lucky map and clever kings, and the map came first. It sat in the middle Ganga plain, in today's south Bihar, with rivers on three sides and hills on the fourth. Put land, water, metal and war together and you get the formula that built the first great empire of the Gangetic plain.

Behind the political story lies a quiet economic revolution, often called the second urbanisation (the first was the Harappan). From about 600 BCE iron ploughshares, cleared forests and paddy transplantation produced surplus grain in the Ganga plain. Surplus freed some people to become craftsmen, merchants and soldiers, and villages grew into towns. The Buddhist text Mahaparinibbana Sutta names six great cities: Champa, Rajagriha, Shravasti, Saketa, Kaushambi and Varanasi. Archaeology shows these towns by their Northern Black Polished Ware (NBPW), a shiny, fine pottery used by the rich, along with burnt-brick houses and ring wells.

These towns were joined by trade routes. The Uttarapatha ran along the northern plain from Taxila in the north-west to Pataliputra and the Ganga delta, and the Dakshinapatha ran from Kaushambi through Ujjain towards the Deccan. Rivers carried heavy cargo cheaply, and Magadha controlled the Ganga and the Son. To pay for all this trade, the Mahajanapadas introduced coins. The first Indian coins were punch-marked coins: pieces of silver (and later copper) cut to a standard weight, stamped with small symbols such as the sun, hills, trees, fish and crescents. They were called karshapana, pana or purana; the standard weight was about 32 ratis. Gold pieces were called nishka and suvarna. Because they were punched, not cast or struck from a die, and they carried no king's name or date, the symbols have to be read like a code.

Taxes, towns and an army all feed on one thing: surplus. Iron brought surplus grain, surplus grain made towns, towns made trade, trade made coins and taxes, and taxes paid for a standing army. A king who controlled the surplus controlled everything else. That is the cause-and-effect chain behind the rise of Magadha. 'रटना बंद, समझना शुरू': learn the chain, not just the list of cities.

The first great dynasty of Magadha is the Haryanka dynasty. Its story has three main characters. Bimbisara is the clever builder who grows his kingdom by marriage and by war. His son Ajatashatru is the fierce conqueror who finishes the job, even if he imprisons his own father to do it. Udayin is the quiet successor who founds a new capital by the river. After him the dynasty fades. Remember the rhythm: one builds, one conquers, one moves the capital.

Bimbisara used three tools to grow Magadha. Marriage: his wives came from Kosala (Kosaladevi, sister of Prasenajit), the Licchavis of Vaishali (Chellana) and the Madra clan of Punjab (Kshema). War: he defeated Brahmadatta of Anga and took Champa. Friendship and medicine: he stayed on good terms with distant powers, and his royal physician Jivaka was even sent to treat Chanda Pradyota of Avanti. The marriage with Kosala brought a village of Kashi as dowry, which meant a steady income and peace on the western border.

Ajatashatru inherited a bigger Magadha and used force. First he fought Prasenajit of Kosala, who wanted Kashi's village back after Bimbisara's death. The war ended in peace: Prasenajit gave his daughter Vajira in marriage and Kashi stayed with Magadha. Then came the big struggle with the Vajji confederacy of Vaishali, led by the Licchavis. Ajatashatru's minister Vassakara was sent to Buddha to ask about attacking the Vajjis. Buddha's answer was seven conditions for a republic's welfare (meeting often, acting together, respecting elders and old customs). Vassakara then used diplomacy to split the Vajjis, and the war was won. New weapons helped: the mahashilakantaka, a catapult that threw large stones, and the rathamusala, a chariot fitted with blades.

After the Haryankas, the people of Magadha put Shishunaga on the throne, and a new line began. This is the story of two short dynasties that together form the bridge between Ajatashatru and Chandragupta Maurya. The Shishunagas (c. 413-345 BCE in the usual timeline) are remembered for one big win: they crushed Avanti and tied its rich lands to Magadha. The Nandas (c. 345-321 BCE) are remembered for size: the first real empire of north India, with huge wealth and a huge army. Then Chandragupta Maurya arrives, and both are gone.

Shishunaga's big win was over Avanti, the western Mahajanapada with Ujjayini as its capital. Avanti had been Magadha's chief rival since the days of Chanda Pradyota. Once Avanti was absorbed, Magadha controlled both the Ganga plain and the Malwa trade routes, so the road to the west and the sea was open. Shishunaga also ended the power of the Pradyotas. This is why the answer to 'the most important achievement of Shishunaga' is annexing Avanti, not Kalinga or Pataliputra.

Kalashoka, Shishunaga's son, is linked to the Second Buddhist Council at Vaishali, held around a century after Buddha's death. Monks of Vaishali (the Vajjiputtakas) followed ten practices that stricter monks called against the Vinaya rules. The council condemned those ten points, and the Sangha split into the Sthaviravada (the elders, strict) and the Mahasanghika (the great community, liberal). This split is the seed of later Theravada and Mahayana-leaning schools. Remember: First council under Ajatashatru at Rajagriha; Second under Kalashoka at Vaishali.

Mahapadma Nanda is called the first empire builder (some texts name him Ugrasena). The Puranas call him a destroyer of the Kshatriyas, a ruler who made himself the single master of the earth, and treat his family as of low (Shudra) birth, while Jain tradition says his father was a barber. Whatever the birth, he was the first Magadhan ruler to control land far beyond the Ganga plain, down to Kalinga (modern Odisha and north Andhra). Because of this the Nandas are the first non-Kshatriya dynasty of Magadha in the standard account.

The last Nanda, Dhana Nanda, was hated for his taxes and pride. He ruled when Alexander reached the Beas (Hyphasis) around 326 BCE, and the Greek soldiers refused to march on after hearing about the Nanda army. Tradition says Dhana Nanda insulted Chanakya (Kautilya), who then trained Chandragupta Maurya; together they overthrew the Nandas around 321 BCE and founded the Maurya dynasty. A point to remember: the usual date for Mahapadma Nanda's rise is the 4th century BCE, around 345 BCE. Be careful if a question's key says the 5th.

While Magadha was growing in the east, the north-west was a different world. It was a doorway: through the passes of the Hindu Kush came armies, traders and ideas. Two outside powers came through that door before the Mauryas. First the Achaemenid Persians, who made parts of the north-west their provinces. Then Alexander the Great of Macedonia, who fought one famous battle and left. Neither changed the Ganga plain much, but each left lasting marks on Indian trade, writing and art.

The name India itself travelled from the Indus. Sanskrit Sindhu (river) became Old Persian Hindu (Persians pronounced 's' as 'h'). The Greeks dropped the 'h' and said Indos for the river, Indoi for its people and Indike for the land. Later this became 'India'. So the question 'which name did the ancient Greeks use for the Indus region' is answered by Indoi or Indike.

Gandhara was the north-western Mahajanapada, covering the Peshawar and Rawalpindi region and stretching towards Kabul, with Taxila (Takshashila) as its capital. Taxila was a great trading city and a centre of learning where teachers such as Chanakya, and, in tradition, the physician Jivaka and the grammarian Panini, are linked. Gandhara was among the first Indian lands to fall to Persia, and later the first to meet Alexander. Its king Ambhi (Omphis) of Taxila chose to ally with Alexander against his rival Porus (Paurava) who ruled between the Jhelum and the Chenab.

Alexander's Indian campaign was short. He crossed the Indus in 326 BCE and defeated Porus at the Battle of the Hydaspes (Jhelum). He admired Porus' courage and gave him back his kingdom as an ally. He founded two towns, Nicaea (victory) and Bucephala (after his horse). At the Beas his tired soldiers refused to go further east, partly frightened by tales of the large Nanda army, so he turned back, sending part of his force by river and sea under Nearchus. Alexander died in 323 BCE. His Indian territories soon fell to Chandragupta Maurya, who also stopped Seleucus Nicator around 305 BCE. A treaty followed: Seleucus gave up lands west of the Indus and received 500 elephants, and sent Megasthenes to Pataliputra.