Modern period
The King Medini Ray, ruled from 1658 to 1674 in Palamau. His rule extended to areas in South Gaya and Hazaribagh. He attacked Navratangarh and defeated the Nagvanshi Maharaja of Chhotanagpur. The Chero rule in Palamu region lasted till 19th CE, until internal conflict between various factions weakened the Cheros and they were defeated by the East India Company. Later Palamu estate was sold by the British.
During 18th century, region under Kings of Chero dynasty, Nagvanshi dynasty, Ramgarh and Kharagdiha became parts of territories of East India Company. Ramgarh Raj along with estates of other chiefs in the regions was permanently settled as Zamindari estate. The Kharagdiha Rajas were settled as Rajas of Raj Dhanwar in 1809, and the Kharagdiha gadis were separately settled as zamindari estates. Some of the notable Kharagdiha Zamindari estates were Koderma, Gadi Palganj and Ledo Gadi.The Princely states in Chota Nagpur Plateau, came within the sphere of influence of the Maratha Empire, but they became tributary states of British East India Company as a result of the Anglo-Maratha Wars known as Chota Nagpur Tributary States.
The subjugation, colonization and tax imposition by the British East India Company resulted in spontaneous resistance from the local people. The first revolt against the British East India Company was led by Raghunath Mahato, in 1769.
In 1771, the revolt against the landlords and the British government was led by Tilka Majhi, a Paharia leader in Rajmahal Hills. Soon after in 1779, the Bhumij tribes rose in arms against the British rule in Manbhum, called Chuar Rebellion. In 1807, the Oraons in Barway murdered their landlord from Srinagar. Munda tribe rose in revolt in 1811 and 1813. Bakhtar Say and Mundal Singh, two landowners, fought against the British East India Company in 1812.
The Hos in Singhbhum revolted in 1820, Kol revolt in 1832 West Bengal. Also in 1832 Bhumijs again revolted against the British under the leadership of Ganga Narayan Singh, known as Bhumij Rebellion.
The Santhal rebellion broke out in 1855 under the leadership of two brothers Sidhu and Kanhu.
Thakur Vishwanath Shahdeo and Pandey Ganpat Rai rebelled against the British East India Company in the 1857 rebellion. In the Battle of Chatra, conflict took place between the rebels and the East India company.Tikait Umrao Singh, Sheikh Bhikhari, Nadir Ali and Jai Mangal Singh played pivotal role in the Indian Rebellion of 1857. The brothers Nilambar and Pitambar were chiefs of Bhogta clan of the Kharwar tribe, who held ancestral jagirs with many Chero Jagirdars led revolt against British East India company.
After the Indian Rebellion of 1857, the rule of the British East India Company was transferred to the Crown in the person of Queen Victoria, who, in 1876, was proclaimed Empress of India. The Cheros and Kharwars again rebelled against the British in 1882 but the attack was repulsed.Then Birsa Munda revolt, broke out in 1895 and lasted till 1900. The revolt though mainly concentrated in the Munda belt of Khunti, Tamar, Sarwada and Bandgaon.
In October 1905, the exercise of British influence over the predominantly Hindi-speaking states of Chang Bhakar, Jashpur, Koriya, Surguja, and Udaipur was transferred from the Bengal government to that of the Central Provinces, while the two Oriya-speaking states of Gangpur and Bonai were attached to the Orissa Tributary States, leaving only Kharsawan and Saraikela answerable to the Bengal governor.
In 1936, all nine states were transferred to the Eastern States Agency, the officials of which came under the direct authority of the Governor-General of India, rather than under that of any provinces.
In March 1940, INC 53rd Session was accomplished under the presidency of Maulana Abul Qalam Azad at Jhanda Chowk, Ramgarh now Ramgarh Cantonment. Mahatma Gandhi, Jawaharlal Nehru, Sardar Patel, Rajendra Prasad, Sarojini Naidu, Khan Abdul Ghaffar Khan, Acharya J.B. Kripalani, Industrialist Jamnalal Bajaj and others greats leaders of Indian freedom movement attended the Ramgarh Session. Mahatma Gandhi also opened khadi and village Industries Exhibition at Ramgarh.
At that time, under the leadership of Netajee Subhas Chandra Bose conference against Samjhauta was also completed. In Ramgarh, Subhas Chandra Bose was seen as president of All India Forward Block and M.N. Roy was seen as leader of Radical democratic party.