Indian Army — fraud spoiling indian army's name & pride to fool people by online shopping

Website:

www.olx.in

Hello Sir,
Myself Mahendra M. Rajpurohit, I was searching a iphone on olx & i found it for a cheaper rate & when i contacted him he said am a army officer (JAIKISHAN SAINI) & he sent me phones picture its bill & his aadhar, pan & ARMY canteen card, then i became sure he's a army candidate so i told him i want to buy the phone he told me to pay half amount i said send the courier first so he sended the courier & sent me the courier slip so i did i payed the half amount thats 8000 ruppees then in the morning i got a call to pay full else you won't get your cell so i refused to pay after that till now his phone is out of courage i have many proofs like his documents as well as his bank account number so please find out who the hell he is to misuse Indian Army's name & do fraud will common people like us who blindly trust's Indian Army, Am attaching his documents below please take a look sir, please do help 8000 is a big amount for me