Cyber Complaint Support

Complain Detail:-> On 27may2020 I had made a Upi google pay transaction to this number 98373 29333 and his Upi id :-VPA davyrocks618-1@oksbi(UPI Ref No 014815011488) payment was of 4800 from my Hdfc bank . So this happen in terms of we had a deal for making advance payment of 30% for a product and rest of amount will be paid by me on cod so. He was running an Instagram pages Amazonproductsltd basically a page where all the phones iphones are in bracket price of 20 to 35k so i talk to him messaged him about product and also I had his number to on message then I called is name was Vaibhav we talked all terms and conditions and he cleared my question I asked for security he give me a picture of amazon background check . Then he told me to do payment of 30% of 16000 for a phone then I made it then he told there will be a mail of order confirmation so wait for 1hour .but there's no mail by him so I called over again and again phone was busy then I msg him . He blocked me over Instagram and WhatsApp too So I need a help to revert my transaction . I made a mistake I know about this but I need my money back so please help me I have all the proof and screen shots that what we message and talked over phone. So please help me in this and this is my first time I got fraudes by someone over transaction.