Concept:
The Vijayanagara Empire was one of the most powerful empires in South India, established in 1336 AD by Harihara I and Bukka Raya I. The empire was ruled by four dynasties in sequence.
• Sangama Dynasty
• Saluva Dynasty
• Tuluva Dynasty
• Aravidu Dynasty
Step 1: Understand the foundation of Vijayanagara Empire.
The empire was founded in:
\[
1336 \, AD
\]
by:
Harihara I and Bukka Raya I
They belonged to:
Sangama Dynasty
Step 2: Arrange the dynasties in chronological order.
The order of dynasties was:
\[
\text{Sangama} \rightarrow \text{Saluva} \rightarrow \text{Tuluva} \rightarrow \text{Aravidu}
\]
This shows that Sangama came first.
Step 3: Eliminate the incorrect options.
• Tulu -- ruled later
• Aravidu -- last dynasty
• Sangama -- first dynasty
• Saluva -- second dynasty
Step 4: Final conclusion.
Hence, the correct answer is:
\[
\boxed{\text{Sangama}}
\]