The word Ram is derived from Murram and Gadh is derived from Beluagadha. There is enormous source of coal i,e area of coal. In Hazaribagh district, there is sitagadha and Vishnugadha. It can be said keeping all name of Ramgarh was declared.In District gazetteer, hazaribagh chapter IV, page no. – 65, it is mentioned that gigantic king Jarasandh was very powerful. Chotanagpur was in his jurisdiction probably the Chhotanagpur was under sub-ordination of Mahapadam of Magadh. Nand Ugrasen of Nagwanshi’s.