About Palamu
Palamau is one of the twenty-four districts of Jharkhand state, India. It was formed in 1892. The administrative headquarter of the district is Medininagar, situated on the Koel River. The Palamu district has a site of Neolithic and chalcolithic settlement in the confluence of Son and North Koel rivers in Kabra-Kala mound.
During the medieval period Chero dynasty was ruling in the region which had become tributaries of Mughal empire during the rule of Shahjahan and East India Company. In 1812 East India company took direct control of the region.
The district lies between 23°50′ and 24°8′ north latitude and between 83°55′ and 84°30′ east longitude. It is bordered on the north by Sone River & Bihar and on the east by the Chatra and Hazaribagh districts, on the south by Latehar District and on the west by Garhwa District.
Source: Wikipedia