[Resolved]  Olx — About online frauds

I saw some home furniture, led tv, electronics in olx they saw they are working from indian army airport transportation.I ordered for 32000, they reduce 2000.the saw advance amount is 20% (5000) and He send their original ids. I send 5000 to him after he send me a bill.then he send me a mobile number of delivery boy and I spoke to the delivery boy he saw again you pay 7500, 7000 for demand and 500 for gst.but I couldn't send money I send only 5000 .then I told to the seller “return my money cancel my order ” but he say I didn't return no return option . and after he say i[censored] don't pay then 6 months holding your amount and holding my product also.and after he told you send return charge after I will return all amount .i am not sending any amount just return my money . after he ask me account details and selfie photo I send.he after say I didn't return your money. After he block me.