Complex sentence: The earliest temple built was in 450AD which had a square mandapa (pavilion), a tower (shikara) above the image of the main deity which became forerunners for later period Hindu temples; this resulted in the evolution of Hindu medieval temple architecture.
Split into simpler sentences: The earliest temple built was in 450AD which had a square mandapa (pavilion) and a tower (shikara) above the image of the main deity. These became forerunners for later period Hindu temples and resulted in the evolution of Hindu medieval temple architecture.