In ancient times Giridih was surrounded with high and inaccessible hills. It is said that the tribal of the land used to stay in the hill area covered with dense forest and rivers. The tribe of the region were Non Aryans and used to stay peacefully there. However, there was no king however the urgent need was felt due to threat from external forces. Cultural evidences and manuscripts tells that the people of the then Giridih chose Mundas as their King. The step was taken for better administration of the region and to stop the foreign invaders and intruders in the region. The region which has the Parasnath hill is considered to be one of the religious centers of the country. It is said that almost 2000 years ago. The place is also known as Sammed Sikhar or Sammet Shikhar, the ‘peak of concentration’, because 20 out of 24 Tirthankaras attained nirvana through samadhi or meditative concentration at this location. Tonks in Shikharji contains foot prints of twenty-four Tirthankaras and ten Ganadhars who visited the hills.