Indian Army — scam olx user jaikishan

Address: Gaya, Bihar, 823001

I saw an ad of mi a1 in olx. And i messaged him and he gave his whatsap no and all his proof including adhar card canteen card he told his name as jai kishan and said he is an army man and is from uttar pradesh. He said me to give advance of rs 1080 by paytm and then he courier my mobile so i transfer 1080 rs to his paytm accout he gave courier boy no also and i trust him because he is an army man. After 4 to 5 hrs courier boy called me and said me to givr rs 3000 more to take my parcel i cant trust him anymore so i told him to return my money back
Bt he said that i will not give u money back
I call him continously bt he didnt pick my phone and now he switch off his mobile. I have all his call records and proof.