Indian Army — Fraud of money for bike purchase

Address:

Jamnagar army camp

I have seen add of rx 100 on facebook I have contacted them they tell me they are army personnel.i trusted them we final deal at13000 they tell me to pay2100 first for courier and other will be cash on delivery.then they tell me to pay 3550 for gate pass they again tell me to pay 3550. After that they tell me for name transfer and ask me to pay9905.after that they tell me your payment is delay you have to pay7100.
Now they are telling me to pay again but now I can't trust them please help me.
[protected] is person who contacted us first his name is prateek Jain.
[protected] was cornel who call us for rc transfer now he demanding more money but now I don't trust them.
[protected] is g pay number on which I have paid money.now they are asking for more.