According to tradition and epigraphic evidence the Vijayanagara empire was founded by:

Harihara and Bukka in 1336

The correct answer is Option (1) → Harihara and Bukka in 1336

According to tradition and epigraphic evidence two brothers, Harihara and Bukka, founded the Vijayanagara Empire in 1336. While historians use the term Vijayanagara Empire, contemporaries described it as the "Karnataka Samrajyamu".