Step 1: Establishment of Vijayanagara empire.
The Vijayanagara empire was founded in 1336 AD by Harihara I and Bukka Raya I. These brothers were ministers in the Kakatiya and Kampili kingdoms before they established their rule.
Step 2: First ruling dynasty.
The dynasty they founded was called the Sangama dynasty, named after their father Sangama. This was the first ruling family of Vijayanagara.
Step 3: Elimination of options.
- (A) Sangama: Correct, the first dynasty.
- (B) Saluva: Second dynasty, rose later.
- (C) Tuluva: Third dynasty, Krishnadevaraya belonged here.
- (D) Aravidu: Fourth dynasty, ruled in the later phase.
Conclusion: The first dynasty was the Sangama dynasty.