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Kingdoms in Eastern India: Palas and Senas of Bengal, Varmans of Kamarupa, Bhaumakaras and Somavamsis of Odisha

Kingdoms in Eastern India In this topic you learn how major eastern dynasties like Palas Senas Varmans and Somavamsis rose to power expanded territories shaped administration promoted education architecture religion and transformed medieval Bengal Bihar Odisha and Assam.

April 30, 2026
9:11 PM

Kingdoms in Eastern India represent a fascinating chapter of medieval history that transformed the political landscape of the Bay of Bengal region. After the death of King Harshavardhana in the 7th century, a power vacuum emerged in Northern and Eastern India. Various regional powers rose to fill this gap, leading to a vibrant era of art, architecture, and religious growth. Understanding these dynasties helps students grasp how regional identities formed in Bengal, Bihar, Odisha, and Assam.

Kingdoms in Eastern India Political Map

The geography of the Kingdoms in Eastern India covered a massive territory stretching from the Himalayas to the Vindhya hills. Bengal served as the heart of this activity, especially under the Palas who ruled for nearly 400 years. These rulers did not just govern locally; they fought major battles with the Pratiharas of Western India and the Rashtrakutas of Southern India.

The borders of these provinces changed frequently due to constant warfare and internal revivals. While the Palas dominated Bihar and Bengal, the Varmans established strong roots in Kamarupa, which we known today as Assam. Meanwhile, the Bhaumakaras and Somavamsis created a unique administrative and religious culture in Odisha. This network of powers created a complex web of diplomacy and military strategy across the eastern subcontinent.

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Major Eastern Indian Kingdoms 8th–12th Century

The following section highlights the major kingdoms that dominated eastern India from the 8th to the 12th century.

Dynasty	Region Controlled	Important Rulers	Capital
Pala Dynasty	Bihar & Bengal	Gopala, Dharmapala, Devapala	Pataliputra / Monghyr
Varman Dynasty (Kamarupa)	Assam (Kamarupa)	Bhaskaravarman	Pragjyotishapura
Bhaumakara Dynasty	Coastal Odisha	Subhakaradeva, Tribhuvanamahadevi	Toshali
Somavamsi Dynasty	Odisha (Inland region)	Janmejaya I, Yayati I	Yayatinagara

Rise of Pala Dynasty Bengal and Bihar

The Pala Empire began its journey in 750 CE under the leadership of Gopala. Before his rise, Bengal suffered from a state of total lawlessness known as Matsyanyaya or “fish justice”. This term describes a chaotic society where the strong prey on the weak, similar to how large fish eat smaller ones.

The people eventually elected Gopala to end this anarchy and restore peace to the region.
Gopala served as the first emperor and established a monarchical structure modeled after the Gupta Empire.
He focused on centralizing power while employing hereditary ministers from prominent families to assist him.
Although the exact boundaries of his initial kingdom remain unclear, he successfully unified much of Bengal and laid the foundation for his successors to build one of India’s most powerful empires.

Dharmapala and Devapala Expansion

The Kingdoms in Eastern India reached their military peak under Dharmapala and his son Devapala. Dharmapala, who ruled from 770 to 810 CE, expanded the empire significantly. He engaged in the famous “tripartite struggle” for control of Kanauj, a strategic city in North India.

At one point, he even held an imperial court in Kanauj, where various northern rulers acknowledged his dominance.
Devapala continued this aggressive expansion from 810 to 850 CE. He led military campaigns into Kamboja in the northwest and down to the Deccan in the south.
His massive army included fifty thousand elephant units, which Arab traders like Sulaiman noted for their discipline and power.
Devapala also influenced affairs in Tamil Nadu and formed alliances with rulers in Java and Sumatra, showing the international reach of these Kingdoms in Eastern India.

The Later Palas and Second Founder

Following a period of decline after Devapala, Mahipala I ascended the throne around 977 CE. Historians regard him as the “second founder” of the Pala dynasty because he restored the kingdom’s old glory.

He successfully reclaimed northern and western Bengal from invaders like the Kambojas. Even when the Chola king Rajendra Chola invaded Bengal, Mahipala managed to maintain his authority over significant territories.
Mahipala I shifted the focus of the empire toward peaceful religious activities and public works.
He built massive tanks and renovated numerous Buddhist monasteries and temples. His popularity was so great that people in Bengal sang ballads about him for centuries after his death.
This era proved that the Kingdoms in Eastern India could survive external shocks and rebuild through strong local leadership.

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The Last Great Pala Ruler and Kaivarta Revolt

Rampala served as the last significant monarch of the Pala line, ruling from 1072 to 1126 CE.

His reign faced a major challenge in the form of the Varendra uprising led by the Kaivarta tribe.
After escaping captivity, Rampala gathered support from local chiefs and reclaimed his ancestral lands by defeating the Kaivarta king Bhima.
Under Rampala, Bengal experienced a final burst of peace and prosperity. He implemented liberal tax policies and supported agriculture through public utilities.
He also expanded his influence into Kamarupa and Odisha, forcing other regional monarchs to submit to his authority.
His life and deeds became the subject of the famous poetical work Ramacharitam by Sandhyakara Nandi.

Sena Dynasty in Bengal

The Sena dynasty replaced the Palas in Bengal during the 12th century. Unlike the Buddhist Palas, the Senas followed Brahmanical traditions, which brought a shift in the religious landscape of the Kingdoms in Eastern India.

The sources indicate that the Senas had their own unique administrative systems and left a significant legacy in art and literature.
The Senas maintained control over Bengal until the early 13th century. They promoted Sanskrit literature and built impressive stone temples.
This period marked a transition from the “Golden Age” of the Palas toward a new cultural identity.

Varmans of Kamarupa as Regional Powers

The Varmans ruled the kingdom of Kamarupa, located in modern-day Assam. They maintained a complex relationship with the Palas, sometimes acting as allies and other times as vassals. For instance, the Pala king Devapala invaded Pragjyotisha (Kamarupa), leading the Varman king to surrender. Later, Rampala forced the Varman monarch of East Bengal to submit once again.

Despite these military conflicts, the Varmans played a vital role among the Kingdoms in Eastern India.
They protected the eastern frontiers and contributed to the unique cultural synthesis of the region. Their administration followed traditional Indian models but adapted to the specific geography of the Brahmaputra valley.
They represent the easternmost reach of the major medieval Indian political systems.

Kingdoms in Eastern India Odisha Dynasties

The Bhaumakaras and Somavamsis established powerful states in Odisha between the 8th and 12th centuries. The Bhaumakaras ruled first, focusing on a robust economy and a society that balanced various religious beliefs. Following them, the Somavamsis took control and brought significant cultural changes to the region.

The Somavamsi rulers were famous for their religious life and their promotion of education. They built magnificent temples that showcased the unique Kalinga style of architecture.
Like their neighbors in Bengal, these Odisha dynasties interacted frequently with the Palas. Devapala’s records mention that he successfully campaigned against the Utkala (Odisha) region, highlighting the interconnected nature of these Kingdoms in Eastern India.

Kingdoms in Eastern India Cultural and Educational Legacy

The Kingdoms in Eastern India acted as the greatest patrons of learning in medieval Asia. Dharmapala founded Vikramasila University, which specialized in Tantra training and flourished for 400 years.

He also supported Nalanda University by providing income from 200 nearby villages. These institutions attracted thousands of students from China, Southeast Asia, and Sri Lanka.
Architecture also reached new heights during this time.
The Somapura Mahavihara, built by the Palas, influenced temple designs as far away as Cambodia. It currently holds a place on the UNESCO World Heritage List.
From the stone sculptures of Odisha to the delicate paintings of Bengal, these dynasties created a “Golden Age” of artistic expression that defined the identity of Eastern India.

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Kingdoms in Eastern India Administrative and Economic Structure

The administration of the Kingdoms in Eastern India relied on a well-organized bureaucracy. The kings held supreme power, but they shared responsibilities with a council of ministers.

This system ensured that the government could function even during transitions between rulers. The economy flourished through trade with Southeast Asia and a strong focus on agricultural development.
The rulers also paid close attention to the welfare of their subjects. For example, Rampala lowered taxes to help the common people and built public utilities like tanks and roads.
This focus on infrastructure and fair taxation allowed the Kingdoms in Eastern India to maintain large armies and support grand cultural projects for centuries.

Major Dynasties Comparison

Feature	Pala Dynasty	Sena Dynasty	Somavamsi Dynasty
Primary Region	Bengal and Bihar	Bengal	Odisha
Dominant Religion	Mahayana Buddhism	Hinduism	Hinduism
Famous Ruler	Dharmapala	Lakshmana Sena	Janamejaya I
Key Contribution	Universities (Nalanda)	Sanskrit Literature	Temple Architecture
Time Period	750 – 1161 CE	1070 – 1230 CE	9th – 12th Century

Historical Timeline of the Kingdoms in Eastern India

Year (CE)	Event Description
750	Gopala founds the Pala Dynasty after the period of Matsyanyaya.
770 – 810	Dharmapala expands the empire and starts the tripartite struggle.
810 – 850	Devapala leads military campaigns to Kamboja and the Deccan.
910 – 950	The Bhaumakara dynasty enters its final years in Odisha.
977 – 1027	Mahipala I restores Pala power as the “second founder.”
1072 – 1126	Rampala defeats the Kaivarta revolt and stabilizes Bengal.
1150s	The Sena Dynasty begins to replace Pala authority in Bengal.

Kingdoms in Eastern India Summary

Category	Key Details
Political Style	Hereditary Monarchy with central and provincial administration.
Military Might	Famous for massive elephant corps and naval influence.
Education	Support for global universities like Nalanda and Vikramasila.
Architecture	Massive Buddhist viharas and stone Hindu temples.
Social Impact	Ended anarchy and promoted religious tolerance.

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Conclusion

The history of the Kingdoms in Eastern India provides a rich narrative of resilience, cultural brilliance, and political ambition. From the election of Gopala to end anarchy to the grand temple building of the Somavamsis, these dynasties defined the medieval era. They did not just rule with iron fists; they built universities that attracted the world and created art that inspired distant nations.

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1	Archaeological Sources for UGC NET	Epigraphy – Study of Inscriptions	Meaning of Historical Sources	Archaeological
2	Meaning of Historical Sources	Archaeological Sources for UGC NET	Literary Sources in History	Archaeological
3	Exploration in Archaeology	Excavation Techniques in Archaeology	Dating of Archaeological Sites	Archaeological
4	Excavation Techniques in Archaeology	Exploration in Archaeology	Dating of Archaeological Sites	Archaeological
5	Epigraphy – Study of Inscriptions	Inscriptions in Reconstructing History	Numismatics in History	Archaeological
6	Inscriptions in Reconstructing History	Epigraphy – Study of Inscriptions	Archaeological Sources for UGC NET	Archaeological
7	Numismatics in History	Importance of Coins in History	Epigraphy – Study of Inscriptions	Archaeological
8	Importance of Coins in History	Numismatics in History	Archaeological Sources for UGC NET	Archaeological
9	Dating of Archaeological Sites	Excavation Techniques in Archaeology	Dating Ancient Literary Sources	Archaeological
10	Indigenous Literature	Literary Sources in History	Secular Literature as Historical Source	Literary
11	Dating Ancient Literary Sources	Literary Sources in History	Dating of Archaeological Sites	Literary
12	Literary Sources in History	Indigenous Literature	Foreign Accounts of India	Literary
13	Foreign Accounts of India	Greek Accounts on Ancient India	Chinese Accounts on India	Literary
14	Greek Accounts on Ancient India	Foreign Accounts of India	Chinese Accounts on India	Literary
15	Secular Literature as Historical Source	Literary Sources in History	Indigenous Literature	Literary
16	Role of Myths and Legends in Historical Reconstruction	Literary Sources in History	Secular Literature as Historical Source	Literary
17	Chinese Accounts on India	Foreign Accounts of India	Greek Accounts on Ancient India	Literary
18	Arabic Accounts on India	Foreign Accounts of India	Chinese Accounts on India	Literary
19	Neolithic and Chalcolithic Phases	Neolithic Revolution in India	Chalcolithic Culture in India	Neolithic
20	Hunting, Gathering & Food Production	Neolithic Revolution in India	Neolithic Settlements in India	Neolithic
21	Neolithic Revolution in India	Neolithic Settlements in India	Tools and Technology in Neolithic Period	Neolithic
22	Neolithic Settlements in India	Distribution of Neolithic Cultures in India	Neolithic Revolution in India	Neolithic
23	Distribution of Neolithic Cultures in India	Neolithic Settlements in India	Tools and Technology in Neolithic Period	Neolithic
24	Tools and Technology in Neolithic Period	Neolithic Revolution in India	Chalcolithic Culture in India	Neolithic
25	Chalcolithic Culture in India	Settlement Pattern & Economy in Chalcolithic Phase	Trade & Exchange Networks in Chalcolithic Societies	Neolithic
26	Settlement Pattern & Economy – Chalcolithic Phase	Chalcolithic Culture in India	Trade & Exchange Networks in Chalcolithic Societies	Neolithic
27	Trade & Exchange Networks – Chalcolithic Societies	Chalcolithic Culture in India	IVC Internal & External Trade	Neolithic
28	Indus Valley Civilization – UGC NET	Major Sites of Indus Civilization	Urban Planning in Harappan Civilization	IVC
29	IVC Internal & External Trade	Internal Trade – Harappan Civilization	Craft Specialization in Harappan Civilization	IVC
30	Political Organization – Harappan Civilization	Social Structure – Indus Civilization	Urban Planning in Harappan Civilization	IVC
31	Major Sites of Indus Civilization	Indus Valley Civilization – UGC NET	Urban Planning in Harappan Civilization	IVC
32	Urban Planning & Settlement – Harappan Civilization	Architecture & Town Planning – Harappan Cities	IVC as First Urbanization in India	IVC
33	Architecture & Town Planning – Harappan Cities	Urban Planning in Harappan Civilization	Major Sites of Indus Civilization	IVC
34	Craft Specialization & Industrial Activities – Harappan	Agriculture & Food Economy – Harappans	IVC Internal & External Trade	IVC
35	Agriculture & Food Economy – Harappans	Craft Specialization in Harappan Civilization	Internal Trade – Harappan Civilization	IVC
36	Internal Trade – Harappan Civilization	IVC Internal & External Trade	Craft Specialization in Harappan Civilization	IVC
37	Religion & Beliefs – Indus Civilization	Social Structure – Indus Civilization	Indus Valley Civilization – UGC NET	IVC
38	Social Structure – Indus Civilization	Political Organization – Harappan Civilization	Religion & Beliefs – Indus Civilization	IVC
39	Decline of Indus Civilization	Indus Valley Civilization – UGC NET	IVC as First Urbanization in India	IVC
40	IVC as First Urbanization in India	Urban Planning in Harappan Civilization	Second Urbanization in India	IVC
41	Vedic & Later Vedic Periods – Aryan Varna System	Early Vedic Society and Economy	Later Vedic Society and Economy	Vedic
42	Origin of Vedic Civilization	Aryan Debate – Migration, Invasion & Indigenous Theories	Early Vedic Society and Economy	Vedic
43	Aryan Debate – Migration, Invasion & Indigenous Theories	Origin of Vedic Civilization	Early Vedic Society and Economy	Vedic
44	Early Vedic Society and Economy	Political Institutions – Early Vedic Period	Social Structure – Early Vedic Period	Vedic
45	Political Institutions – Early Vedic Period	Early Vedic Society and Economy	Monarchical States in Ancient India	Vedic
46	Social Structure – Early Vedic Period	Emergence of Varnas & Social Stratification	Early Vedic Society and Economy	Vedic
47	Later Vedic Society and Economy	Emergence of Varnas & Social Stratification	Impact of Iron Technology in India	Vedic
48	Emergence of Varnas & Social Stratification	Social Structure – Early Vedic Period	Later Vedic Society and Economy	Vedic
49	Emergence of Heterodox Sects in India	Jainism, Buddhism & Ajivikas – Origins & Teachings	Later Vedic Society and Economy	Vedic
50	Impact of Iron Technology in India	Later Vedic Society and Economy	Agricultural Expansion & Economic Changes – Ancient India	Vedic
51	Religious & Philosophical Vedic Ideas	Emergence of Varnas & Social Stratification	Emergence of Heterodox Sects in India	Vedic
52	Megalithic Culture of South India	Neolithic and Chalcolithic Phases	Agricultural Expansion & Economic Changes	General
53	State System in Ancient India	Rise of Mahajanapadas	Transition: Tribal Polities to Territorial States	General
54	Transition: Tribal Polities to Territorial States	Rise of Mahajanapadas	Later Vedic Society and Economy	General
55	Rise of Mahajanapadas	Monarchical States in Ancient India	Republican States (Gana-Sanghas) – Ancient India	Magadha
56	Monarchical States in Ancient India	Rise of Mahajanapadas	Emergence of Magadha	Magadha
57	Republican States (Gana-Sanghas) – Ancient India	Rise of Mahajanapadas	Monarchical States in Ancient India	Magadha
58	Agricultural Expansion & Economic Changes – Ancient India	Second Urbanization in India	Impact of Iron Technology in India	General
59	Second Urbanization in India	IVC as First Urbanization in India	Rise of Mahajanapadas	General
60	Jainism, Buddhism & Ajivikas – Origins & Teachings	Emergence of Heterodox Sects in India	Ashoka’s Policy of Dhamma	General
61	Emergence of Magadha	Geographical Advantages of Magadha	Early Rulers of Magadha	Magadha
62	Geographical Advantages of Magadha	Natural Resources & Economic Strength of Magadha	Reasons for Success of Magadha	Magadha
63	Natural Resources & Economic Strength of Magadha	Geographical Advantages of Magadha	Economic Policies of the Nandas	Magadha
64	Early Rulers of Magadha	Haryanka Dynasty – Rise of Magadha	Emergence of Magadha	Magadha
65	Haryanka Dynasty – Rise of Magadha	Expansion Policy of Bimbisara	Early Rulers of Magadha	Magadha
66	Expansion Policy of Bimbisara	Ajatashatru – Military Reforms	Haryanka Dynasty – Rise of Magadha	Magadha
67	Ajatashatru – Military Reforms	Wars of Ajatashatru	Expansion Policy of Bimbisara	Magadha
68	Wars of Ajatashatru	Ajatashatru – Military Reforms	Udayin & Establishment of Pataliputra	Magadha
69	Udayin & Establishment of Pataliputra	Wars of Ajatashatru	Shishunaga Dynasty	Magadha
70	Shishunaga Dynasty	Administrative Structure of the Shishunagas	Nanda Dynasty	Magadha
71	Administrative Structure of the Shishunagas	Shishunaga Dynasty	Central Administration Under Mauryas	Magadha
72	Nanda Dynasty	Mahapadma Nanda – Imperial Expansion	Shishunaga Dynasty	Magadha
73	Mahapadma Nanda – Imperial Expansion	Military Strength of the Nandas	Nanda Dynasty	Magadha
74	Economic Policies of the Nandas	Nanda Dynasty	Taxation System – Mauryan State	Magadha
75	Military Strength of the Nandas	Mahapadma Nanda – Imperial Expansion	Defeat of Nandas & Rise of Mauryan Empire	Magadha
76	Reasons for Success of Magadha	Geographical Advantages of Magadha	Natural Resources & Economic Strength of Magadha	Magadha
77	Mahajanapadas to Empire – Evolution & Rise of Magadha	Rise of Mahajanapadas	Emergence of Magadha	Magadha
78	Mauryan Empire – Expansion	Rise of Chandragupta Maurya	Expansion of Mauryan Empire	Maurya
79	Rise of Chandragupta Maurya	Role of Chanakya in Rise of Mauryan Empire	Defeat of Nandas & Rise of Mauryan Empire	Maurya
80	Role of Chanakya in Rise of Mauryan Empire	Rise of Chandragupta Maurya	Defeat of Nandas & Rise of Mauryan Empire	Maurya
81	Defeat of Nandas & Rise of Mauryan Empire	Military Strength of the Nandas	Rise of Chandragupta Maurya	Maurya
82	Chandragupta Maurya – Seleucus Treaty & Diplomacy	Expansion of Mauryan Empire	Greek Accounts on Ancient India	Maurya
83	Expansion of Mauryan Empire	Chandragupta Maurya – Seleucus Treaty & Diplomacy	Kalinga War	Maurya
84	Administration of Chandragupta Maurya	Central Administration Under Mauryas	Mauryan Bureaucracy	Maurya
85	Sources for Mauryan History	Archaeological Sources for UGC NET	Greek Accounts on Ancient India	Maurya
86	Central Administration Under Mauryas	Provincial Administration – Mauryan Empire	Mauryan Bureaucracy	Maurya
87	Provincial Administration – Mauryan Empire	Local Administration – Mauryan Empire	Central Administration Under Mauryas	Maurya
88	Local Administration – Mauryan Empire	Provincial Administration – Mauryan Empire	Mauryan Bureaucracy	Maurya
89	Mauryan Bureaucracy	Central Administration Under Mauryas	Espionage System – Mauryan Empire	Maurya
90	Espionage System – Mauryan Empire	Mauryan Bureaucracy	Central Administration Under Mauryas	Maurya
91	Ancient India – Trade and Commerce	Trade and Commerce Under Mauryas	Agrarian Economy – Mauryan Period	Maurya
92	Agrarian Economy – Mauryan Period	Taxation System – Mauryan State	Trade and Commerce Under Mauryas	Maurya
93	Trade and Commerce Under Mauryas	Ancient India – Trade and Commerce	Agrarian Economy – Mauryan Period	Maurya
94	Taxation System – Mauryan State	Agrarian Economy – Mauryan Period	Economic Policies of the Nandas	Maurya
95	Kalinga War	Ashoka’s Policy of Dhamma	Expansion of Mauryan Empire	Maurya
96	Ashoka’s Policy of Dhamma	Nature & Philosophy of Dhamma	Kalinga War	Maurya
97	Nature & Philosophy of Dhamma	Ashoka’s Policy of Dhamma	Jainism, Buddhism & Ajivikas	Maurya