Flashexchanger.com Complaints & Reviews

I have exchanged with flashexchanger.com via paytm wallet, flashexchanger didn't sent that money to my bank account, the details are mentioned below and they are not responding to my money messages via whatsapp and facebook.
Exchange: e42bc6fe4b3d6f4fac4f
Amount send: 15562 inr amount receive: 15562.00 inr
Exchange rate: 1 inr = 1 inr transaction number: [protected]
Process type: manually status: canceled
Created...

Https://flashexchanger.com provide a facility of transfer fund wallet to bank.
I made a txn on 8 march 19. But maybe due to some error my txn is canceled by them.
I am continuously try to contact them via whatsapp, mailing etc. But they are not responding to me. They are holding my money and didn't reply to me that how i get my money back.
I tried to transfer fund from paytm to bank a/c.
Transaction details are...