Hindu Monuments probably existed then, but they have got not survived, Probably since they were not designed of stone. A few pictures of recognizable Hindu deities and votive pillars have survived from about one hundred bce to 200 ce. Hindu temple construction commenced in earnest from the fifth century ce https://hanumanmandiradelaide.com.au/hanuman-mandir-adelaide-a-spiritual-sanctuary-in-south-australia/