Olx India — I purchased a iphone on 28 june

On 28 june I purchased an iphone from olx from a man which stated that he was an army personnel he asked me to pay 1000 first then on next day he asked me to me pay 7000 the deal amount then i got call from delivery guy he said to pay me 10000 plus 100 for getting the product then he again said to pay me 10000 plus 100 now he is saying that the transaction got failed i have to pay again 10000 until i wont get the product please help me to get my money back
Amry personal name Bhawani singh +[protected]
Delivery guy name ajay kumar +[protected]