Vāstu

Vāstu is the ancient Indian science of architecture and spatial design that prescribes principles for constructing buildings, temples, and towns in harmony with natural forces and cardinal directions. It provides guidelines for the placement of rooms, entrances, and elements to promote health, prosperity, and well-being. In everyday usage, it refers both to the dwelling itself and to the body of knowledge (Vāstu Śāstra) that governs its design.

Vāstu represents the alignment of human-made space with the cosmic order (ṛta), treating every structure as a microcosm that mirrors the macrocosm. The Vāstu Puruṣa Maṇḍala—the symbolic body of a cosmic being laid upon the building site—expresses the idea that sacred geometry connects the inhabitant's inner world to universal energies. Right dwelling thus becomes a spiritual discipline that harmonizes the jīva with the devatās presiding over the directions.

At the highest level, Vāstu points to Brahman as the ultimate 'ground' or 'substrate' in which all existence dwells. Just as every physical structure rests upon a foundation, all manifest reality rests within the infinite, unchanging Absolute. The entire cosmos is the Vāstu of consciousness—the dwelling place of the Self—and the distinction between dweller, dwelling, and the act of dwelling dissolves into non-dual awareness.