DTDC Courier & Cargo — Fraudulent sale of mobile on OLX and DTDC supporting it

Address:	Kolkata, West Bengal
Website:	OLX and DTDC

I saw a add posted on OLX for sale of I phone 6S Plus 64gb details given below
Apple iPhone six s plus rose gold. I have a also
Airport Area, Pune Added via phone on 24 Jan, Ad ID: [protected]
On seeing the add, I contacted the seller mr. Rahul Roy .
He said he is in need of money as his uncle is admitted and hence selling his phone. Presently, he is at Calcutta with his uncle.
He told me to transfer 50% of the amount.
I transfered the amount once he shared the courier details. The phone was dispatched the same from kolkata through dtdc courier services, kolkata on dt.-21.02.2017 wide docket no.- V10125342.
Mr. Rahul Roy told me that he has given phone to DTDC courier and they will dispatch the phone on urgent delivery basis along with its insurance. The courier charges of Rs. 1, 270/- to DTDC for special courier.
After the courier was handed over, I even spoke with the DTDC Courier guy if had received the courier. The DTDC Person's mob no shared was [protected]
But the courier is not traceable now.
I have already transferred the amount of Rs. 11, 250/- via IDBI bank account details mentioned below.

Bank Account details are as follows
Oriental Bank of Commerce
Bank Account Name : Akash Karmakar
A/c No : [protected]
IFSC Code : ORBC0100751

Now the DTDC Guy is not receiving the phone and the owner of the phone Mr. Roy is just telling me that he will go to the DTDC Office and check.

I see that mine is the third case registered on consumer compalint cell cheated the same way..

Details:
whatsapp # +[protected]

My Details:
Phone # [protected]