Hindu monuments likely existed then, but they've got not survived, perhaps since they were not built of stone. Several photographs of recognizable Hindu deities and votive pillars have survived from about 100 bce to 200 ce. Hindu temple construction commenced in earnest within the fifth century ce in northern India https://hanumanmandiradelaide.com.au/how-to-do-pooja-on-hanuman-jayanti-a-step-by-step-guide-for-a-meaningful-celebration/