Hindu monuments probable existed then, but they have got not survived, Maybe because they were not crafted of stone. A number of photos of recognizable Hindu deities and votive pillars have survived from about 100 bce to 200 ce. Hindu temple building began in earnest with the fifth century ce https://hanumanmandiradelaide.com.au/establishing-neem-karoli-baba-statue-at-hanuman-temple-south-australia/