Hindu monuments possible existed then, but they may have not survived, Maybe given that they were not developed of stone. A number of photographs of recognizable Hindu deities and votive pillars have survived from about a hundred bce to 200 ce. Hindu temple building started in earnest with the fifth https://hanumanmandiradelaide.com.au/establishing-neem-karoli-baba-statue-at-hanuman-temple-south-australia/