Indian Army — Fraud selling oppo Reno 6

I saw a add on facebook for oppo reno 6by person name vishwa nath. He give his contact number.
After having chat he says he is from indian army and provide the smartphone details pics, his adhar card and pan card details.
After that he insisted me to pay 320for army parcel and postman will deliver it to my current location.

After making me lot of convince in name of indian army and soldiers.
I payed him 6000 as the requested account is also saying army transport.

After that he said it will deliver by 25mintus. After that a guy called in name of army delivery post man.
After that both start convensing me to do payment.