Rajmahal region was earlier ruled by Raja Mal sub-group of Mal Paharia tribes. Earlier this place was known as "Agmahal" and is surrounded by Rajmahal hills on one side and river Ganges on another side. The region was also known as 'Daman-i-Koh' during Mughal rule.
In 1576, Battle of Rajmahal was fought between Mughal Emperor, Akbar and Sultan of Bengal, Daud Khan Karrani of Karrani Dynasty. After war, Daud Khan was captured and later executed by the Mughals.
Later, after the conquest of Odisha in 1592, Raja Man Singh I, Mughal governor of Bengal Subah came to Rajmahal. He chose the site for his capital in 1595–96 because of its strategic command of the Teliagarhi Pass and the Ganges River. Raja Man Singh I, also renamed the town in 1595 as 'Akbarnagar' in tribute to Emperor Akbar and he also constructed palace, garden and mosque on behalf of Mughal rulers. In 1610, the capital of Bengal was transferred to Dacca (now Dhaka, Bangladesh) by Isla…