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Home / Battle of Buxar (1764)

Battle of Buxar (1764): Timeline, Treaty of Allahabad & Differences

Updated on August 31, 2026Author:NEXT IAS Contributors
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battle of buxar (1764)

The Battle of Buxar was fought on 22 October 1764 between the British East India Company under Major Hector Munro and the tripartite alliance of Nawab of Bengal Mir Qasim, Mughal Emperor Shah Alam II and Nawab of Awadh Shuja-ud-daulah. Although the Britishers including Indian sepoys were having around 17,000 troops but using superior artillery and trained personnel, they defeated about 40,000 troops of the combined armies of the Mughal empire. Buxar was a decisive battle that reaffirmed British dominance over Bengal and Bihar after their victory in the Battle of Plassey in 1757.

The Battle of Buxar 1764 was concluded with the Treaty of Allahabad 1765 wherein the Mughal Emperor granted the Diwani Rights or the rights to collect tax revenues over Bengal, Bihar and Odhisha. At that time, these 3 provinces were the wealthiest in India and for the 1st time a private company became the tax collector of an empire. Britishers used Indian tax money to purchase Indian goods and exported the items to England for profit.

In 1765, the Dual System of Governance where Diwani were given to Britishers & Nizamat, the responsibility of administration, law and order was retained by the Mughal empire. It gave power without responsibility to the East India Company who drained the wealth of Bengal that finally led to the Great Bengal Famine in 1770.

Timeline of Battle of Buxar (1764)

S.No. Year Event Importance
1 1757 Battle of Plassey
  • The British East India Company (EIC) defeated Siraj-ud-Daulah and acquired political influence in Bengal.
2 1760 Mir Qasim became Nawab of Bengal
  • The Company replaced Mir Jafar with Mir Qasim.
3 1762 to 63 Trade-duty dispute
  • The servants of the Company abused dastaks or duty-free passes which worsened the revenue of Bengal and local traders.
4 1763 Mir Qasim ended internal duties
  • He abolished internal custom duties for all traders to create equal conditions.
  • The Company opposed him.
5 1763 Anglo-Mir Qasim conflict
  • The Company forces defeated Mir Qasim in Bengal
  • However, he fled and sought allies.
6 1764 Triple alliance formed
  • Mir Qasim allied with Shuja-ud-Daula of Awadh and Mughal Emperor Shah Alam II against the Company.
7 22 October 1764 Battle of Buxar
  • Major Hector Munro's Company army defeated the combined forces near Buxar, on the Ganga in present-day Bihar.
8 Late 1764 to 1765 Company negotiations
  • Shuja-ud-Daula and Shah Alam II accepted the terms of the Company after the defeat.
9 16 August 1765 Treaty of Allahabad
  • Robert Clive and Shah Alam II concluded the treaty.
  • The Company received Diwani rights over Bengal, Bihar, and Orissa.
10 1765 onwards Dual Government in Bengal
  • The Company collected revenue while the Nawab nominally handled administration and strengthened the control of the Company.

The Treaty of Allahabad

The Treaty of Allahabad was signed in August 1765 after the decisive victory of the British East India Company in the battle of Buxar in 1764. Under the treaty, the company made separate settlements with Mughal Emperor Shah Alam II and Nawab Shuja-ud-daula of Awadh.

  • Shah Alam II issued the Diwani which grants the company the right to collect revenue from the regions of Bengal, Bihar and Orissa.
  • The company agreed to pay the Emperor an annual payment of Rs. 26 lakh. Shuja-ud-daula was restored to Awadh as a buffer state. However, it had to pay an indemnity of war of Rs. 50 Lakh. Additionally, the regions of Allahabad and Kora were ceded to Shah Alam II.
  • The treaty of Allahabad gave the East India Company a legal collection right and huge revenue resources to expand its regional power.
  • The treaty also made the Mughal emperor dependent on the company for their protection. The grant of Diwani led to the Dual Government in Bengal in 1765 to 1772. Here, the company controlled the revenue whereas the Nawab nominally managed administration.
  • Therefore, the treaty of Allahabad marked a decisive step in establishing British political and economic dominance in India.

Difference between Battle of Buxar and Plassey

S.No. Basis Battle of Plassey Battle of Buxar
1 Date
  • 23 June 1757
  • 22 October 1764
2 Place
  • Plassey in Bengal
  • Buxar in Bihar (on the banks of the Ganga)
3 British commander
  • Robert Clive
  • Major Hector Munro
4 Opponents of the Company
  • Siraj-ud-Daulah, Nawab of Bengal with limited French support
  • Combined forces of Mir Qasim, Shuja-ud-Daula of Awadh, and Mughal Emperor Shah Alam II
5 Immediate causes
  • Conflict over fortification of the Company in Calcutta
  • Misuse of trade privileges
  • Shelter given to the Nawab's opponents
  • Conflict over Company misuse of dastaks, trade-duty disputes, and the attempt of Mir Qasim's to restore Bengal's authority
6 Nature of battle
  • Victory was significantly facilitated by conspiracy and the non-participation of Mir Jafar and other commanders.
  • A more direct and decisive military contest against a powerful Indian alliance.
7 Result
  • The East India Company defeated Siraj-ud-Daulah.
  • Mir Jafar was made the Nawab of Bengal.
  • The East India Company decisively defeated the alliance.
  • Mir Qasim fled away while Shuja-ud-Daula and Shah Alam II accepted the terms of the Company.
8 Political impact
  • The battle of Plassey made the Company a 'kingmaker' in Bengal and began its political intervention in Indian affairs.
  • The battle of Buxar established the Company as the dominant political and military power in northern and eastern India.
9 Economic gain
  • The company obtained large payments and the zamindari of the 24 Parganas.
  • The servants of the Company expanded the private trade.
  • The company obtained the Diwani or revenue collection rights of Bengal, Bihar, and Orissa through the Treaty of Allahabad in 1765.
10 Relation with Mughal Emperor
  • It did not directly establish the Company authority over the Mughal Emperor.
  • Shah Alam II granted the Diwani rights to the Company.
11 Historical significance
  • It was the beginning of British political domination in Bengal and often viewed as the starting point of British colonial rule.
  • It was the consolidation of British rule.
  • It provided the financial resources for further territorial expansion.
12 Aftermath in Bengal
  • Mir Jafar and later Mir Qasim were seen as the Puppet Nawabs who ruled under Company influence.
  • The Company introduced the Dual Government in Bengal in 1765, separating revenue collection from nominal civil administration.

FAQs about the Battle of Buxar

Who won the Battle of Buxar?

The British East India Company won the Battle of Buxar.

When was the Battle of Buxar fought?

The Battle of Buxar was fought on 22nd October 1764.

What is the Battle of Buxar?

The Battle of Buxar was a decisive war fought between the British EIC and the combined forces of Mir Qasim, Shuja-ud-daula and Shah Alam II in 1764.

What were the consequences of the battle of Buxar?

The consequences of the battle is that it established the British East India Company as a major political power. The battle also gave the Diwani rights over Bengal, Bihar, and Odisha through the treaty of Allahabad in 1765.