The document discusses the evolution of Hindu temple architecture in India from ancient to medieval periods. It begins with the Vedic period which had raised platforms for rituals and evolved to include stone structures like the garba-griha during the Shunga period. Major developments occurred in the Gupta and Chalukyan periods when temples became more permanent with elements like the shikhara, mandapa, and garba-griha. The two main styles that emerged were the Indo-Aryan and Dravidian styles, with early examples found in Aihole and Pattadakal. The document then focuses on features of Orissan temples from 800-1250 AD including the linga-raj, Sun Temple, and elements like