The earliest constructions for spiritual applications to the Indian subcontinent could involve People with the Indus valley civilization, Whilst a direct hyperlink to later Hindu techniques is not distinct. Buddhist and Jain monuments and spaces for spiritual practice—such as stupas—were being made and possess survived from the last centuries bce. https://indianhindutempleadelaide.blogspot.com/2025/06/a-temple-beyond-walls-sacred-connection.html