 Bhagalpur was the centre from where administration of the estate was carried out.One of the centres of Banaili Raj located in Sultanganj is believed to have ancient historical or mythical association.The Krishnagarh Palace built by Kumar Krishnanand Singh on Sultanganj is in the Karnagarh area, which is believed to be place where the Castle of King Karna of Mahabharata was located.