Hindu Monuments probable existed then, but they have not survived, Possibly mainly because they were not crafted of stone. A couple of photos of recognizable Hindu deities and votive pillars have survived from about 100 bce to two hundred ce. Hindu temple design commenced in earnest with the 5th century https://hanumanmandiradelaide.com.au/shani-dev-mandir-a-spiritual-hub-in-south-australia/