The Spiritual ideas symbolically represented in Hindu temples are in depth in the ancient Sanskrit texts of India (for example, the Vedas and Upanishads), whilst their structural regulations are described in various ancient Sanskrit treatises on architecture (Bṛhat Saṃstrikeā, Vāstu Śāstras). BAPS: All over the historical past of Hindu civilization, https://hanumanmandiradelaide.com.au/about-us/