Quikr — ipad pro fraud on quikr

Sir,
I recently saw an add on quikr (Seller: [protected]@gmail.com) about a used ipad for rs 20, 766. I chated with him using quikr and he gave me his whatsapp number. He said to pay 50% of product prize and rest 50% on delivery. I paid 50% of the product, later he said to pay rest 50% as he said he ordered the product from usa. So i paid rest. Few days later he said to pay customs clearence and delivery fee. And after paying that he asked to pay import duty. I did not pay anymore money. I asked him to give my product or refund. He did not give a respone