Indian Army — calling for car selling demand amount is 170000 and paid 5100

Address:

Sagar, Madhya Pradesh, 470115

I have visited facebook site in yesterday morning to purchase a car in that kailash named was added some photos of car and prized sell for rs.1, 75000 and then i contacted him he called me then then the final cost was fixed for 1, 70000 after that they told the car will come from military vehicle because i am army person and posting is lacknou and he sent some id proof and address then he told to pay as advance as 5100 and next paid till vehicle reached your destination which in that 165000 will be refunded after meikle reaching you like that all the process was done but till now is there no vehicle was arrived and like this i got fraud by this please suggest me what to do next