(A) Establishment of the Gajapati Kingdom of Orissa: The Gajapati Kingdom of Orissa was indeed a contemporary power of the Vijayanagara Empire. They were often in conflict with the Vijayanagara rulers, and at one time captured a large part of the kingdom.
(B) Establishment of the Sultanates of Malwa: The Sultanates of Malwa were also a contemporary power in the north of the Vijayanagara Empire. They were often in conflict with their neighbors.
(C) Emergence of Sultanates of Bijapur: The Sultanates of Bijapur was one of the Deccan Sultanates that emerged in the region surrounding Vijayanagara after the decline of Bahmani sultanate. They were a major power in the region during the period.
(D) Rise of the Chalukyas in Karnataka: The Chalukyas of Karnataka were not contemporaries of the Vijayanagara Empire, as the Chalukya dynasty ruled much earlier, between the 6th and 12th centuries CE.