For medieval Indian history:
\begin{itemize}
\item Remember dynasties with their founders,
\item Distinguish between founders and greatest rulers,
\item Vijayanagara rulers are often asked in exams.
\end{itemize}
Step 1: The Vijayanagara Empire was established in the 14th century in South India.
Step 2: Bukka Raya I, along with his brother Harihara, played a key role in the foundation of the empire.
Step 3: Bukka Raya I is recognized as one of the founders of the Vijayanagara Empire.
Step 4: Therefore, the correct answer is Bukka Raya I.