Iam trapped in online mobile buying. One mobile...

Iam trapped in online mobile buying. One mobile custemer in london. He tell he will give mobile one by one get one offer and i booked one phn. Phn amount is 32000And he told me first i have to pay 5000 advance payment. I pay that amount after that he asking again need to pay 5000 to shipping he didnt tell this shipping amount on first time. That also i payed. And now he asking again 7000 to pay for order confirmation. That also he didnt inform on first payment