Indian Army — fraud by unknown person which show me as indian army person

Address:

New Delhi, Delhi

I'm chetan lodhi from okhla phase 1 delhi. I saw a bike tvs apache rtr 180, 2016 model on olx and frauder agree to seel it in 30k. The bike owner is named as dinesh. He said me he is second owner of bike. I've paid him 20k via paytm. He show me the canteen card and adhar card named manjeet singh residence of distt jhajjar, in indian navy. When i saw it i fully trusted him and sent money. He said me he will send bike via indian army postel service with the slip of indian navy. Now i'm in fully trusted that i'm contacting a true person.
After one day, he switched off his mobile, and corrier boy also switched off.

I've fully whatsapp conversation and paytm history.
Please help me to get my money back.

Frauder num:-
1) [protected]
2) [protected]
3) [protected]