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Koch Hajo

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Title: Koch Hajo  
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Subject: Timeline of history of Assam, Kamata Kingdom, History of Beltola, Kamtapur, Nara Narayan
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Koch Hajo

Koch Hajo[1] (1581-1616) was the kingdom under Raghudev and his son Parikshit Narayan of the Koch dynasty that stretched from Sankosh river in the west to the Bhareli river in the east on the north bank of the Brahmaputra river. It was created by dividing the Kamata kingdom[2] then under Nara Narayana in medieval Assam. The western boundary, the Sankosh river, is roughly the boundary between the present-day Assam and West Bengal. The western portion of the Kamata kingdom came to be called Koch Bihar. The name Hajo comes from a legendary king Hajo the Koch, an ancestor of the Koch dynasty, who ruled over the Rangpur district in present-day Bangladesh and some regions of Assam.[3]

Division of Kamata kingdom

After the Koch-Ahom wars that saw Chilarai briefly occupy Garhgaon, the capital of the Ahom kingdom, Koch rule was consolidated between the Sankosh river in the west and the Subansiri river[4] on the east under the governorship of Chilarai. Chilarai's son, Raghudev, was the heir apparent to the childless Nara Narayan. A son (Lakshmi Narayan) born late to Nara Narayan dashed Raghudev's hopes of becoming the king. Raghudev, accompanied by some trusted state officers, traveled east on a purported hunting trip and declared himself king of the eastern portion at a place called Barnagar near the Manas river. Nara Narayana did not react aggressively, and the kingdom was divided amicably with Raghudev promising to pay an annual tribute. This division occurred in 1581.[5] When Nara Narayan died in 1587, Raghudev stopped paying tribute and declared himself independent.

The kingdom under Raghudev included the region between Sankosh and Bhareli rivers on the northern bank of the Brahmaputra river, and on the south the region west of the Kallang river[6] that followed the course of the Brahmaputra as it bends south and right up to the forests of Mymensingh region, now in Bangladesh.[7]

Raghudev Narayan

Raghudev's declaration of independence established a Koch Bihar-Koch Hajo conflict that was to result in Koch Bihar losing its independence to the Mughal Empire and Koch Hajo losing its very existence both within three decades. Lakshmi Narayan tried to instigate Parikshit, a son of Raghudev, against his father. The plot was detected and Parikshit managed to escape to Koch Bihar. This led to an armed conflict between the two kingdoms, but which maintained the status quo.[7]

The first major defeat for Raghudev was at the hands of Isa Khan, an Afghan chief from Mymensingh. Raghudev fortified Jangalbari in Mymensigh, but ultimately lost the region south of Rangamati sometime before 1594. After Man Singh became the Subahdar of the Mughal Empire for Bengal in 1594, Isa Khan and others were defeated by the Mughals under Himmat Singh in 1596, forcing Isa Khan to ally with Raghudev. Raghudev, with the help of Isa Khan, attacked Koch Bihar, and Lakshmi Narayan submitted on his own accord to vassalage of the Mughal Empire.[8] Under these circumstances, Raghudev transferred his capital from Barnagar to north Guwahati.[9]

The Koch Bihar-Mughal alliance defeated Raghudev in May 1597, but in the same year Raghudev was able to recoup his losses with the help of Isa Khan. Isa Khan died in 1599, driving Raghudev to seek an alliance with the Ahom kingdom. Raghudev offered his daughter Mangaldoi to Prataap Singha in 1602/1603,[9] and the Ahom king accepted on the possibility of using Raghudev as a buffer against the Mughals. But this did not happen because Raghudev died within a few days after the marriage between Pratap Singha and Mangaldoi.

Parikshit Narayan

Parikshit the eldest son of Raghudev returned to the capital in 1603 to stake his claim to the kingdom. In the war of succession that followed, Man Singha, a son of Raghudev was offered refuge in Namrup by the Ahom king. Soon, he invaded Bahirbandh, a region under Koch Bihar and occupied it. In the ensuing battle Lakshmi Narayan was defeated who had to accept a number of concessions. Lakshmi Narayan saw no recourse but to submit in person to Islam Khan in 1609. Parikshit could ward off the first Mughal expedition under Abdul Wahid, but the second expedition under Mukarram Khan was massive. He tried to enlist the Ahoms into the war but was unsuccessfully.

Koch Hajo-Mughal war

The Mughal army and navy began its expedition from near Dhaka in the July 1612.[10]

Mughal rule

Since the declaration of independence, the rulers of Koch Hajo and the rulers of Koch Bihar have maintained hostilities against each other. In 1602 the Nawab of Dhaka (governor for the Mughals) moved by Lakshmi Narayan (ruler of Koch Bihar) and others attacked Parikshit Narayan, the ruler of Koch Hajo. Parikshit, defeated at Dhubri, sued for peace. But he soon continued with the hostilities and in 1614 was driven up to Pandu, now in Guwahati. Here, Parikshit surrendered and agreed to become a vassal of the Mughal Empire. But before he could take up this assignment he died. The Mughals then appointed Kabisekhar as the kanungo and instructed Sheikh Ibrahim Karori to set up a Mughal system of administration. The Mughals appointed Bijit Narayan, son of Parikshit Narayan, as the zamindar of the region between river Sankosh and Manas, and he became the founder of the Bijni branch of the Koch royal family which finally settled in Abhayapuri.

Mughal divisions

The Mughal divided the kingdom of Koch Hajo into four sarkars. They were:

  1. Uttarkol or Dhekeri, north of the Brahmaputra.
  2. Dakhinkol, south of Brahmaputra.
  3. Kamrup, containing Guwahati and Hajo.
  4. Bangalbhum, containing Bahirbund and Bhitarbund.

The four sarkars were further divided into parganas, and traces of this revenue system exists till today.

The Mughal influence in Kamrup ended in 1682. The Mughal political influence on Koch Hajo lasted for eighty years.


With the Mughals reaching the doorsteps of the Ahoms, hostilities ensued. These finally led to a large Mughal army attacking the Ahom kingdom in 1615-1616. On January 27, 1616, the Ahoms, under the king Pratap Singha, attacked the Mughals before dawn and massacred a major portion of the Mughal army. The Ahoms defeated the Mughals in the Bharali war and re-occupied Darrang from the Mughals. After the region was cleared of the Mughals, Pratap Singha established Bali Narayan, the brother of Parikshit Narayan, as the Raja of Darrang. Pratap Singha christened Bali Narayan as Dharma Narayan. The Ahoms, with the help of Bali Narayan, then moved against the remnant of the Mughals ruling in Hajo. After many battles the Ahoms and Bali Narayan's army finally conquered Hajo and removed their influence from Goalpara. Bali Narayan began his rule from Hajo.

This did not last for long and the Mughals maintained their attack on Koch Hajo. Beginning with 1637 the Ahoms faced a number of reverses, including the death of Bali Narayan in Singari battle in 1638. His son ascended the throne and became the king of Darrang (excluding Tezpur). On the other hand, the Ahoms ruled the eastern part of Darrang (the present Sonitpur) through Kalia Bhomora Borphukan, stationed at Kaliabor. In 1639 by the Treaty of Asurar Ali between the Ahom general Momai Tamuli Borbarua and the Mughal commander Allahyar Khan the river Barnadi was fixed as the boundary between the Mughal empire and the Ahom kingdom. Darrang remained with the Ahoms ruled by Mahendra Narayan, son of Bali Narayan. Mahendra Narayan was succeeded by Chandra Narayan and then by Surya Narayan.


Following the war of succession after Shah Jahan in 1657, the Ahoms reoccupied Kamrup. Again, this possession did not last long. In 1662 the Mughal general Mir Jumla marched up to Gargaon, the Ahom capital, and set up camp. But he could not consolidate Mughal rule in the region. Nevertheless, he struck an agreement with the Ahom king that included war indemnities; but he died on his journey back to Dhaka. The Ahoms again captured Kamrup in 1667, and fended off an entrenched Mughal attack led by Kachwaha Rajput Raja Ram Singh in 1671 in the celebrated Battle of Saraighat. In March 1679, the Ahom viceroy in Guwahati, Laluk-sola Borphukan, handed over Kamrup to Nawab Mansur Khan, the deputy of Sultan Azamtara, the son of Aurangzeb and the then governor of Bengal.

Mansur Khan attacked Darrang in 1682, captured Surya Narayan and installed his 5-year old brother as the ruler of Darrang. But that influence did not last for long. In that year itself, the Ahoms, under the kingship of Gadadhar Singha, attacked Kamrup and removed the Mughals for good. In the meantime, the influence of the Raja of Darrang decreased, and the Ahoms took possession of Kamrup till the end of their rule.


The Bijni branch of the Koch dynasty controlled its feudatory from the present-day Bijni town from 1671 till 1864 when it was attacked by Jhawlia Mech, a chieftain from Bhutan. This resulted in the capital moving to Dumuria. The earthquake of 1897 destroyed the royal palaces and the capital moved again, first to Jogighopa and then finally to Abhayapuri in 1901. The control of the Bijni branch ended after the Indian government took direct control of the region in 1956.

See Also


  1. ^ Called Koch Hajo in Persian chronicles, Kamrup in local sources (Nath 1989:86).
  2. ^ (Nath 1989:85)
  3. ^ (Sircar 1990:171)
  4. ^ The Ahoms pushed back the Koch control from the Subansiri to the Bhareli river within a few years.
  5. ^ (Nath 1989:83–85)
  6. ^ (Nath 1989:87)
  7. ^ a b (Nath 1989:93)
  8. ^ (Nath 1989:92–94)
  9. ^ a b (Nath 1989:97)
  10. ^ (Nath 1989:100)


  • Bhuyan, Surya K (1949), Anglo-Assamese Relations: 1771-1826, Gauhati: Dept. of Historical and Antiquarian Studies in Assam 
  • Nath, D (1989), History of the Koch Kingdom: 1515-1615, Delhi: Mittal Publications 
  • Sircar, D C (1990), "Political History", in Barpujari, H K, A Comprehensive History of Assam 1 
  • History of Bongaigaon, archived from the original on 2007-09-29, retrieved 2010-10-25 
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