(C) The battle of Talikota proved disastrous for the Vijayanagara empire: This statement is accurate. The Battle of Talikota in 1565 CE was a significant event that initiated the decline of the Vijayanagara Empire. The defeat in this battle critically weakened the kingdom.
(A) This empire was founded by the rulers of the Saluva dynasty: This statement is incorrect. The Vijayanagara Empire was established by Harihara I and Bukka I, who belonged to the Sangama dynasty.
(B) This empire became powerful after the death of Krishnadeva Raya: This statement is incorrect. The empire achieved its zenith of power and prosperity during Krishnadeva Raya's reign. His demise marked the beginning of its decline.
(D) Their land revenue system was taken from the Mansabdari system: The Vijayanagara empire's revenue system was distinct and differed from the Mansabdari system employed by the Mughals.