For 10 points, name this medieval empire in southern India, centered on the namesake now-ruined capital city.
A unique feature of this empire's flourishing ship-building industry was the practice of binding wooden planks tightly together with rope to form waterproof hulls rather than using nails. Among the architectural wonders of this empire's capital city was the Vittala Temple, which included a massive stone chariot, or ratha, and curious musical stone pillars which emanate different notes with different timbres when struck. Domingo Paes and Fernao Nuniz were two Portuguese travelers who described the massive scale of this empire after they visited it during the rule of its greatest emperor Krishnadevaraya. After this empire lost the disastrous Battle of (*) Talikota, it was rapidly dismantled, including the destruction of its prosperous capital city in modern-day Karnataka. The founding of the empire in the 14th century was the result of Hindu states resisting conquest by Muslim invaders from the north, who had subjugated Delhi. For 10 points, name this medieval empire in southern India, centered on the namesake now-ruined capital city. 
A unique feature of this empire's flourishing ship-building industry was the practice of binding wooden planks tightly together with rope to form waterproof hulls rather than using nails.
Vijayanagara Empire [or the Karnata Empire; accept the Kingdom of Bisnegar] 