The word "deula" in Odia language means a building structure built with a particular style that is seen in most of the temples from Odisha.
The Khakhara deula is an alternative form of tower over the sanctuary, which in shape resembles the oblong gopuram temple gatehouses in southern Dravidian architecture.
Examples : It is a square building, typically with a pyramid-shaped roof, rather like the vimana towers over the sanctuaries of temples in southern Dravidian architecture.
Examples Khakara deula is a rectangular building with a truncated pyramid-shaped roof, like the gopuras.
Examples : This article about an Indian Hindu place of worship is a stub.