Vaastu For Hindu Temple Architecture However, Hindu temples are what Hindu religious architecture was all about. They are not merely places of worship; they are the very abode of the god inside in spirit, soul and body. After a period of decay while Buddhism was the popular religion, the revival of Hinduism in the 5th century AD gave a new boost to sculptors. Sheer rock was widely available, and sculptors carved out massive temples out of a single rock face.