An octagonal granite pillar, associated with Kaivarta (later identified as Mahishya), chief Dibya, who usurped the Pala throne, stands in the centre of the tank.

[1][2][3] The site is located in Dibar village, on the northern side of Nazipur-Sapahar highway in Patnitala Upazila of Naogaon District.

[5] Cunningham regretted that he did not personally visit the site, noting that such a large single-shaft stone pillar was yet to be recorded in Indian subcontinent, after Ashoka's reign.

[3] From an etymological perspective and literary history, it is currently argued that the tank and the pillar were commissioned to commemorate the victory of a local Kaivarta (Mahishya) vassal, Dibyak (var.

[15] Rajshahi Social Forestry Division has created an artificial forest (alongside a mini-zoo) around the tank; boating trips seem to be allowed.