Hindu Monuments possible existed then, but they have not survived, perhaps because they were not developed of stone. A number of illustrations or photos of recognizable Hindu deities and votive pillars have survived from about 100 bce to 200 ce. Hindu temple design commenced in earnest through the fifth century https://hanumanmandiradelaide.com.au/hanuman-mandir-adelaide-a-spiritual-sanctuary-in-south-australia/