The Rajmahal Hills are located in the Santhal Pargana division of Jharkhand, India.

The River Ganges wanders around the hills changing the direction of flow from east to south.

He wrote that everywhere people were hostile, apprehensive of officials and unwilling to talk and, in some cases, left their villages and absconded.

[4] The plant fossil bearing inter-trappean beds of the Rajmahal Formation have been declared National Geological Monuments of India by the Geological Survey of India (GSI), for their protection, maintenance, promotion and the enhancement of geotourism.

There are fears of these fossils disappearing, as the state government in 2018 gave a mining lease in the area to private companies.