What name is given to followers of this religion whose architecture is described as open, symmetry-driven and on a square grid of 'padas' an example being the Varaha Cave Temple?
Varaha Cave Temple: Varaha Cave Temple (also Adivaraha Cave Temple) is a rock-cut cave temple located at Mamallapuram, on the Coromandel Coast of the Bay of Bengal in Kancheepuram District in Tamil Nadu, India. Varaha Cave Temple:  The most prominent sculpture in the cave is that of Lord Vishnu in the incarnated form of a Varaha or boar lifting Bhudevi, the mother earth goddess from the sea. Hindu temple architecture: The Hindu temple architecture is an open, symmetry-driven structure, with many variations, on a square grid of "padas", depicting perfect geometric shapes such as circles and squares.
Hindu