(A) Establishment of the Gajapati Kingdom of Orissa: The Gajapati Kingdom of Orissa coexisted with the Vijayanagara Empire, frequently engaging in conflict and at one point conquering a significant portion of the Vijayanagara territory.
(B) Establishment of the Sultanates of Malwa: Located to the north of the Vijayanagara Empire, the Sultanates of Malwa were a contemporary power that often clashed with neighboring states.
(C) Emergence of Sultanates of Bijapur: The Sultanates of Bijapur were among the Deccan Sultanates that arose in the vicinity of Vijayanagara following the disintegration of the Bahmani sultanate, establishing themselves as a dominant regional force during that era.
(D) Rise of the Chalukyas in Karnataka: The Chalukyas of Karnataka did not overlap in time with the Vijayanagara Empire; the Chalukya dynasty's reign predated it significantly, spanning from the 6th to the 12th centuries CE.