Mod 5: The Conquest of the Vajjis — Causes, Vassakara’s Diplomacy, the Seven Conditions of Welfare and the New War Machines
Concept
6.9 Why Magadha fought the Vajjis
🏫 School level · NCERT Class 6–12 History (the base for UPSC, BPSC, BSSC and other PSC exams)
Causes and the Buddha’s seven conditions
North of the Ganga lay the rich Vajji confederacy, led by the Lichchhavis of Vaishali. Its chief Chetaka was Ajatashatru’s maternal grandfather in Jain tradition. The war that followed — lasting about 16 years by tradition — ended with Vaishali’s annexation and made Magadha master of north Bihar.
| Tradition | Cause |
|---|---|
| Buddhist (commentary on the Digha Nikaya) | A dispute over a port/mine of precious goods on the Ganga that the two sides had agreed to share; the Lichchhavis took everything |
| Jain (Bhagavati Sutra, Nirayavalika) | Bimbisara had given the elephant Sechanaka and an 18-string necklace to his sons Halla and Vehalla; Kunika demanded them; the princes fled to their grandfather Chetaka at Vaishali |
| Historians | Control of the Ganga trade, the rich Vajji lands and the rivalry between monarchy and gana-sangha |
- Vajji confederacy (Vaishali, Lichchhavis, chief Chetaka) conquered after c. 16 years.
- Causes: Buddhist — Ganga port/mine dispute; Jain — Sechanaka elephant and necklace (Halla, Vehalla).
- Seven conditions of welfare (Mahaparinibbana Sutta).
- Question: Who were Halla and Vehalla? Answer: Sons of Bimbisara and Chellana who fled to Chetaka.
- Question: Where are the seven conditions recorded? Answer: Mahaparinibbana Sutta.
MCQs
Answer this question, then use Next.
[BPSC level] The Vajji confederacy, conquered by Ajatashatru, had its capital at:
[UPSC level] In the Jain account, the cause of the Vajji war was Kunika’s demand for:
[BPSC level] Halla and Vehalla fled with the disputed treasures to their grandfather:
[UPSC level] How many conditions of welfare did the Buddha list for the Vajjis?
[School] The first of the Buddha’s conditions for the Vajjis was that they should:
[BPSC level] The Buddhist commentary says the Vajji war began over:
[UPSC level] The seven conditions of welfare of the Vajjis are recorded in the:
[BSSC pattern] By tradition, the war between Magadha and the Vajjis lasted about:
One-liners
Write your answer, then submit to see the correct answer.
Who were Halla and Vehalla?
Sons of Bimbisara and Chellana who fled to Chetaka.Where are the seven conditions recorded?
Mahaparinibbana Sutta.Concept
6.10 Vassakara and the fall of Vaishali
🏫 School level · NCERT Class 6–12 History (the base for UPSC, BPSC, BSSC and other PSC exams)
Diplomacy, weapons and the Pataligrama fort
Ajatashatru sent his chief minister Vassakara to the Buddha on Gridhrakuta to ask whether he could defeat the Vajjis. The Buddha, speaking to Ananda, listed the seven conditions that kept the Vajjis strong. Vassakara understood: the Vajjis could be beaten only by breaking their unity. Tradition says he pretended to be exiled from Magadha, took refuge in Vaishali, and over three years sowed distrust among the Lichchhavi chiefs until they no longer met together. Then Magadha struck.
- Mahashilakantaka — a catapult-like engine that hurled big stones.
- Rathamusala — a chariot fitted with a mace (or blades) that moved through enemy ranks causing great slaughter.
- The Jain text says Chetaka was defeated and the 18 gana-rajas of Kashi–Kosala who joined him (9 Mallakis and 9 Lichchhavis) were overcome.
To launch attacks across the Ganga, Ajatashatru’s ministers Sunidha and Vassakara built a fort at Pataligrama. The Buddha, passing through on his last journey, foretold that it would become a great city — Pataliputra.
- Vassakara: three years of sowing discord in Vaishali.
- Weapons: Mahashilakantaka (stone-thrower), Rathamusala (mace chariot) — Bhagavati Sutra.
- Fort at Pataligrama by Sunidha and Vassakara.
- Question: What was the Rathamusala? Answer: A chariot with a mace that crushed enemy ranks.
MCQs
Answer this question, then use Next.
Question 1: Who was the diplomat minister of Ajatashatru responsible for breaking the unity of the Lichchhavis of Vaishali?
[BPSC level] Which war machine hurled large stones?
[UPSC level] The war engines Mahashilakantaka and Rathamusala are described in the:
[BPSC level] For how long, according to tradition, did Vassakara work to divide the Lichchhavis?
[School] The fort at Pataligrama was built by Ajatashatru’s ministers:
[UPSC level] The Jain texts say Chetaka was joined in the war by the 18 gana-rajas of Kashi–Kosala, namely:
[BSSC pattern] Who was the chief of Vaishali when Ajatashatru attacked, according to Jain tradition?
One-liners
Write your answer, then submit to see the correct answer.
What was the Rathamusala?
A chariot with a mace that crushed enemy ranks.Concept
🎯 UPSC · BPSC · BSSC · State PSC level: PYQs, traps and mains
| Exam | What it asks from this module |
|---|---|
| UPSC | Seven conditions of welfare; gana-sanghas vs monarchy; Mahaparinibbana Sutta |
| BPSC | Vassakara; Mahashilakantaka and Rathamusala; Pataligrama fort |
| BSSC | Who defeated the Lichchhavis; duration of war |
Which Magadhan king used the war engines Mahashilakantaka and Rathamusala? (a) Bimbisara (b) Ajatashatru (c) Udayin (d) Mahapadma Nanda
- The Jain Bhagavati Sutra credits Kunika (Ajatashatru) with these weapons in his war against Chetaka and the Vajjis.
- Vassakara broke Vajji unity; Kautilya/Chanakya belongs to the Maurya period.
- The seven conditions were spoken by the Buddha to Ananda, in Vassakara’s presence, at Gridhrakuta.
- Halla–Vehalla and Sechanaka are the Jain version; the port dispute is the Buddhist one.
Model question: “The fall of the Vajji confederacy marked the triumph of monarchy over the gana-sangha.” Discuss. Points: Vajji strengths (seven conditions); Magadhan resources; Vassakara’s intrigue; new weapons; 16-year war; Pataligrama; long-term decline of republics in the Ganga valley; survival of some gana-sanghas in the north-west.
- Monarchy over gana-sangha; Vassakara ≠ Chanakya.
- Question: Which minister broke Vajji unity? Answer: Vassakara.
MCQs
Answer this question, then use Next.
[BPSC level] Which Magadhan king used the war engines Mahashilakantaka and Rathamusala?
[UPSC level] The fall of the Vajji confederacy illustrates:
[BSSC pattern] To whom did the Buddha speak the seven conditions, in Vassakara’s hearing?
[UPSC level] Which statement about the causes of the Vajji war is correct?
[BPSC level] Which of the following was one of the Buddha’s seven conditions of welfare for the Vajjis?
One-liners
Write your answer, then submit to see the correct answer.
Which minister broke Vajji unity?
Vassakara.