If you are preparing for APSC, you cannot afford to treat Assam’s history as just “static facts”. Some events changed the region’s destiny forever—and the Burmese invasion of Assam (1817–1826) is among them.
This was not just an invasion.
It was a decade of fear, destruction, betrayal, and collapse, remembered even today in Assamese collective memory as “Manor Din” – the Days of the Burmese.
Let’s walk through this period step by step, not like a textbook, but like a story you’ll never forget—while also making sure every line helps you in APSC Prelims and Mains.

Why the Burmese Invasion of Assam Matter for APSC
Before we go deeper, here’s why examiners love this topic:
- Direct questions in APSC Prelims
- Analytical questions in APSC Mains (Assam History)
- Connects Ahom decline → Burmese occupation → British rule
- Helps you write high-quality answers with cause–and–effect clarity
If you understand this chapter well, you automatically strengthen three areas at once.
Assam Before the Invasions: A Kingdom in Crisis
1. Continuous Palace Conspiracies
The Ahom court was constantly disturbed by plots, assassinations, and coups. Kings were frequently overthrown or murdered by nobles and royal relatives. Because of this, rulers spent more time protecting their throne than governing the kingdom. Stability disappeared, and long-term planning became impossible.
2. Weak Kings
After strong rulers like Rudra Singha, many later Ahom kings lacked leadership ability. They were either too young, incompetent, or completely controlled by powerful nobles. Such kings failed to control corruption, rebellion, or external threats, making the state directionless.
3. Powerful Nobles Fighting Among Themselves
Officials like Burhagohain, Borgohain, and other high nobles became extremely powerful. Instead of serving the kingdom, they fought for personal power and influence. This internal rivalry weakened the administration and often invited outsiders (including the Burmese) to intervene.
4. Collapse of the Traditional Paik System
The Paik system was the backbone of Ahom administration, revenue, and military service. Over time, excessive exploitation of paiks, corruption, and exemptions given to elites destroyed the system. As a result, the state lost soldiers, labour, and revenue, weakening its foundations.
5. Loss of People’s Trust in Administration
Due to heavy taxation, forced labour, injustice, and continuous instability, common people lost faith in the Ahom rulers. Many peasants and paiks revolted or refused to support the state during crises. Without popular support, the kingdom could not resist external attacks effectively.
The Bigger Picture
By the early 19th century, the Ahom Kingdom was already collapsing from within. The Burmese invasion was not the main cause—it was the final blow to a weakened system. As often said, “The enemy was already inside the house.”
The Turning Point: Badan Chandra Borphukan’s Fatal Decision
One name you must never forget for APSC: Badan Chandra Borphukan
He was a powerful Ahom noble who:
- Lost political power due to rival groups
- Sought external help to regain authority
- Invited the Burmese army into Assam in 1817
This single decision became one of the most disastrous political moves in Assam’s history.
APSC Prelims Gold Line:
The Burmese were invited to Assam by Badan Chandra Borphukan.
The Three Burmese Invasion of Assam Explained Clearly
First Burmese Invasion of Assam (1817): The Entry
Burmese forces entered Assam under the excuse of helping a faction –
- During intense power struggles among Ahom nobles, one faction invited the Burmese king of Ava for military help. The Burmese used this internal conflict as a legitimate excuse to interfere in Assam’s affairs.
They defeated rival Ahom nobles –
- Once inside Assam, Burmese troops easily defeated the opposing Ahom factions. The Ahom nobles were divided, disorganised, and lacked popular support, which made the Burmese military’s success quick and decisive.
Installed rulers loyal to Burmese interests-
- Instead of restoring Ahom authority, the Burmese placed rulers who acted as their puppets. These rulers followed Burmese orders and weakened Assam’s independence.
Initially, the invasion looked “limited.”-
- At first, the Burmese withdrew after settling the dispute, making it appear like a temporary intervention rather than an occupation.
But the damage had already begun
- The invasion exposed Assam’s weakness, normalised foreign interference, and destroyed political balance. It opened the door for repeated Burmese invasions, leading to widespread destruction later.
Second Burmese Invasion of Assam (1819): The Grip Tightens
Internal Conflict Continued in Assam
- Even after the first Burmese invasion, unity did not return to the Ahom court. Factionalism, conspiracies, and power struggles among nobles continued unabated. This persistent internal conflict weakened Assam further and provided the Burmese with repeated opportunities to interfere.
The Burmese Army Returned Stronger
- Learning from their earlier involvement, the Burmese returned with a larger, better-prepared, and more determined military force. This time, their objective was not temporary intervention but long-term control over Assam.
Ahom Rulers Lost Whatever Little Authority Remained
- By 1819, Ahom kings were reduced to mere nominal heads. Real administrative and military power passed into the hands of Burmese commanders, marking the near-total collapse of Ahom sovereignty.
The Guest Had Become the Master
- The Assamese nobles gradually realised that the Burmese were no longer allies or helpers. However, this realisation came too late. Disunity and lack of organised resistance ensured that Burmese dominance over Assam became firmly established.
Third Burmese Invasion of Assam (1821–1822): Total Occupation
Burmese Occupation Became Permanent
- By the time of the third invasion, the Burmese no longer pretended to be helpers. Assam was treated as a conquered territory, and Burmese officers directly controlled administration and military affairs.
Extreme Brutality and Repression
- The Burmese rule was marked by large-scale violence, killings, and forced deportations. Thousands of Assamese people were taken to Burma as captives, villages were destroyed, and agricultural life collapsed completely.
Mass Migration and Social Breakdown
- Fearing oppression, a large section of the Assamese population fled to neighbouring regions like Bengal and the hills. This led to depopulation, abandonment of land, and breakdown of social and economic structures.
Total Collapse of Ahom Authority
- During this period, the Ahom monarchy effectively ceased to exist. There was no central authority, no functioning administration, and no organised resistance left within Assam.
British Intervention Became Inevitable
- The continuous Burmese expansion threatened British interests in Bengal. This directly led to the First Anglo-Burmese War (1824–1826), which eventually ended Burmese rule in Assam.
Exam Fact to Remember:
By 1822, the Ahom Kingdom had completely collapsed.
Manor Din: When Assam Lived in Fear
The Darkest Phase in Assam’s History
Historians widely agree that the period of Burmese rule (1821–1826) was the most traumatic phase in Assam’s history. The suffering of the people was so intense that it came to be remembered as Manor Din—the days of terror.
Destruction of Entire Villages
Burmese troops carried out systematic destruction of villages. Homes were burned, crops were ruined, and settlements were wiped out, leaving vast areas completely deserted.
Merciless Killings
Large numbers of innocent civilians were killed without discrimination. Violence became a tool of control, and human life lost all value under the Burmese occupation.
Mass Flight of the Population
To escape torture and death, thousands of people fled into forests, hills, and neighbouring regions such as Bengal. This mass migration broke the social and economic fabric of Assam.
Separation of Families
Men, women, and children were forcibly separated. Many were taken away as captives to Burma, and countless families were never reunited.
Fear as a Daily Reality
Constant violence, forced labour, and uncertainty created an atmosphere of permanent fear. Survival itself became a struggle for the common people.
Severe Depopulation of Assam
The scale of destruction was so extreme that later British officials described Assam as “a land without people.” Agriculture collapsed, trade vanished, and large tracts of fertile land lay abandoned
APSC Mains Value Point:
The Burmese occupation caused severe demographic collapse and long-term social trauma.
Economic Collapse : A Broken Land
Agricultural Fields Were Abandoned
Continuous violence during the Burmese invasion of Assam forced peasants to flee their villages. Farmlands were left uncultivated, leading to a sharp fall in food production.
Irrigation Systems Collapsed
Canals, embankments, and water management systems were neglected or destroyed. Without maintenance, agriculture became impossible even in fertile areas.
Trade Routes Stopped Functioning
The Burmese invasion of Assam led to insecurity and destruction disrupted river and land trade routes. Markets collapsed, and Assam was cut off from regional and external trade networks.
Artisans and Farmers Fled or Died
During the Burmese invasion of Assam, skilled artisans and productive farmers either fled to safer regions or lost their lives. This caused a permanent loss of human resources and skills.
Famine Spread Across the Brahmaputra Valley
Food shortages, abandoned farms, and population displacement resulted in widespread famine, further increasing death and suffering.
From Prosperity to Survival
Once a prosperous and self-sufficient region, Assam was reduced to a survival zone where people struggled merely to stay alive.
Why the British Entered Assam
Burmese Expansion Reached British Bengal
The Burmese occupation of Assam brought their forces dangerously close to British-controlled Bengal. This proximity created serious strategic concerns for the British East India Company.
Trade and Security Were Threatened
Assam was an important corridor for trade between Bengal and Southeast Asia. Burmese control disrupted trade routes and posed a direct threat to British commercial and security interests.
Increase in Border Conflicts
Frequent clashes occurred along the Assam–Bengal frontier as Burmese forces advanced westward. These border tensions made peaceful coexistence impossible.
The First Anglo-Burmese War (1824–1826)
To protect its territory and interests, the British East India Company declared war on Burma. The conflict ended Burmese control over Assam and marked the beginning of British dominance in the region.
Treaty of Yandaboo (1826): End of Burmese Rule, Beginning of British Rule
Treaty of Yandaboo (1826): Assam’s Fate Sealed
End of the First Anglo-Burmese War
On 24 February 1826, the First Anglo-Burmese War formally ended with the signing of the Treaty of Yandaboo. Burma was decisively defeated by the British East India Company.
Burma Accepted Defeat
Under the treaty, Burma officially acknowledged its defeat and agreed to the terms imposed by the British.
Burma Gave Up All Claims Over Assam
Burma permanently renounced all territorial claims over Assam, ending years of invasion and occupation.
Permanent Withdrawal of Burmese Troops
All Burmese military forces were withdrawn from Assam, bringing an end to Manor Din and large-scale violence.
Ahom Rule Did Not Return
Despite the removal of the Burmese, the Ahom monarchy was not restored. The centuries-old Ahom political system came to a complete end.
Assam Did Not Become Independent
Assam did not regain sovereignty. The political vacuum left by the Ahoms was filled by the British.
Assam Came Under British Control
Following the treaty, Assam was brought under the authority of the British East India Company, marking the beginning of colonial rule in the region.
A Treaty That Reshaped Assam Forever
The Treaty of Yandaboo became a historic turning point—it ended Burmese domination but replaced it with British colonial control, permanently altering Assam’s political, economic, and social future.
APSC One-Liner:
The Treaty of Yandaboo ended Burmese rule and marked the beginning of British rule in Assam.
Historical Significance of the Burmese Invasion of Assam
End of Ahom Sovereignty
The Burmese invasion of Assam brought an end to Ahom rule, which had lasted for nearly 600 years—one of the longest-surviving dynasties in Indian history. The Ahom state collapsed permanently after centuries of continuity.
Gateway to Colonial Rule after the Burmese invasion of Assam
The devastation caused by the Burmese occupation created a political vacuum in Assam. Without these invasions, British annexation would have faced far stronger resistance and would have been far more difficult.
A Clear Political Lesson
The fall of the Ahom Kingdom highlights a crucial historical lesson: internal disunity and administrative decay invite foreign domination. This analytical point is especially valuable in UPSC/APSC Mains answers.
Cultural Memory of Manor Din
The period of the Burmese invasion in Assam is remembered as Manor Din, a lasting symbol of collective suffering and trauma in Assamese history. It continues to shape historical memory, folklore, and regional consciousness.
Quick Revision Box for APSC
| Topic | Key Fact |
| Period | 1817–1826 |
| Invited by | Badan Chandra Borphukan |
| Local term | Manor Din |
| Final treaty | Treaty of Yandaboo |
| Year | 1826 |
| Outcome | British rule in Assam |
Final Words
The Burmese invasion of Assam was not an accident of history. They were the result of internal decay, political greed, and foreign ambition. For Assam, this decade changed everything—its rulers, its people, and its destiny.
If you understand this chapter deeply, you’re not just preparing for APSC—you’re understanding Assam itself.
Source – The Sentinel
Also read :
| Natasurya Phani Sharma | Chaolung Sukapha |
| Srimanta Sankardev | Assam Sahitya Sabha |
| Assam Freedom Movement | Paik System |
Burmese Invasion of Assam
What was the Burmese invasion in Assam and why did it happen?
The burmese invasion of assam refers to a series of military incursions by the Burmese kingdom between 1817 and 1826, during the final phase of the Ahom rule. These invasions did not occur suddenly; they were the result of deep internal political instability within the Ahom Kingdom. Continuous power struggles among nobles, weak rulers, and the collapse of administrative systems made Assam vulnerable. The immediate trigger was the decision of Badan Chandra Borphukan, an Ahom noble, who invited the Burmese forces to help him regain political power. What began as political interference soon turned into full-scale occupation, leading to the collapse of indigenous rule in Assam.
How did the Burmese invasion of Assam affect the Ahom Kingdom?
The burmese invasion of Assam completely shattered the Ahom Kingdom, which had ruled the region for nearly six centuries. Repeated invasions weakened the already fragile political system, and by 1822, Ahom sovereignty had effectively ended. Burmese forces installed puppet rulers and governed Assam directly, dismantling traditional institutions. The invasions destroyed administrative continuity, eliminated local leadership, and erased the authority of the Ahom monarchy. For APSC aspirants, this period marks a critical historical transition—from indigenous governance to foreign domination—making it one of the most important turning points in Assam’s history.
What was “Manor Din” and how is it connected to the Burmese invasion in Assam?
“Manor Din,” meaning Days of the Burmese, is how the Assamese people remember the traumatic period of the burmese invasion of Assam. This term reflects the extreme suffering faced by the population under Burmese occupation. Villages were destroyed, people were massacred or displaced, and thousands fled to forests and neighbouring regions to survive. Agricultural land was abandoned, leading to famine and depopulation. The social and psychological scars of Manor Din were so deep that even decades later, British records described Assam as a region devastated by war and fear. This concept is highly significant for APSC Mains answers, especially when discussing social impact.
How did the Burmese invasion of Assam lead to British rule in the region?
The Burmese invasion in Assam directly paved the way for British intervention and eventual colonial rule. Burmese expansion brought their forces dangerously close to British-controlled Bengal, alarming the East India Company. This led to the First Anglo-Burmese War (1824–1826). The conflict ended with the Treaty of Yandaboo (1826), under which Burma withdrew from Assam and renounced all claims. However, instead of restoring Ahom rule, the British took control of Assam, citing administrative necessity. Thus, the Burmese invasion acted as a bridge between the fall of the Ahom Kingdom and the beginning of British colonial administration in Assam