Hindu monuments most likely existed then, but they've got not survived, Potentially mainly because they weren't designed of stone. A couple of visuals 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 5th century https://hanumanmandiradelaide.com.au/explore-the-sacred-essence-of-the-hindu-temple-in-adelaide/