architectural remains of rajnagar palatial complex, rajnagar, bihar,

rajnagar lost city mithila bihar darbhanga raj rameshwar singh architects itlay lutyens arched gateway brick walls goddess kaali palatial complex earthquake palaces secretariat temples ruins navlakha palace durga mandir kamakhya girija ardhnarishwar shiva temple revenue office masonry architecture famous beautiful landmark garden cityscape culture urban attraction building religion kankalimandir ancient tourism india forts