Olx India — Fraud by a scooter dealer posing as a constable in Indian Army

I saw an ad on the OLX site about a Honda active 4g available for sale at Rs 22000.
I asked for phone no. in the chat. The phone no. sent to me was [protected].
I called him and he said that he is a constable in army posted in Gopalpur Odisha and he has been transferred to Jammu, Srinagar and hence need to sell the bike urgently. He said he wwill send me the details on watsapp with the same phone no.
He sent me Vehicle Registration Card photo along with aadhar I'd and vehicle pics.
He also said that the vehicle will be sent through army postal service on a truck for which I need to pay him Rs 510. The bike will be delivered to me and the army truck will wait for 30 min and I can test drive the vehicle. If satisfied i can keep the bike and if not then Rs 510 will be refunded to me then n there and the army truck will take away the bike.
If I decide to keep the bike then they will come the next day and get the ownership transferred.
I paid them the money, gave them my aadhar picture through watsapp. Then they sent me a army postal service receipt which had my name, phone no. And address that I had provided on it.
I waited for the bike to be delivered but instead I recieved a call from a lady from phone no [protected] that the bike has a penalty of 3100 rs that I have to pay for the bike to be delivered.
I called the the guy asked about it. He said he has no idea and he would consult the army postal department immediately. After 5 minutes he said please pay the money now and take the delivery of the bike. Money will be deducted from the cost.
I said this is ur penalty and u need to pay for it and only call me if the bike is being delivered to me at the given address.
2 minutes after that I received a call from the lady asking whether I am paying the penalty or not.
I said no. To which she said that they are going to file an fir against me in the cyber crime police station for online fraud and police will come to pick me up in 30 minutes.
I cut the call. The guy again called me reiterating the same thing that if something wrong happens here on then don't call me. I had taken my superior on conference for this call. My superior confronted him and asked him to come to the police station. But he just cut the call. I have not received any call since then.
The bank details shared to me in which I paid 510 rs
Phone-[protected]
Courier account number
Army postal account details account number
[protected]
Ifsc code=pytm0123456
Name= Army transport
Courier account number