Hindu Monuments probable existed then, but they've not survived, Most likely simply because they were not designed of stone. A few pictures of recognizable Hindu deities and votive pillars have survived from about 100 bce to two hundred ce. Hindu temple building commenced in earnest within the fifth century ce https://hanumanmandiradelaide.com.au/establishing-neem-karoli-baba-statue-at-hanuman-temple-south-australia/