[Resolved]  Indian Army — selling phone on olx.

Address:

Kolkata, West Bengal, 700068

I saw adv in olx selling iphone. I contacted the person. He said me to send him 1000 advance then he will send me the parcel. Today morning he called and send some picture of parcel and asked to send rest money. I send.in evening someone called and asked to submit 4999 two times as the security and will refund at the time of delivery. But i have send total 3799 two times and 1199 two times and lastly 4999 one time and first i have paid 4800 for mobile price. But still now it was not delivered and asked for more money. What should i do?
The sellar number is [protected]. And the courier person number is [protected]. And the paytm number where i have send the money is [protected].