Billdesk — money transaction dispute

Address:

18/1/1B, NAKTALA LANE, kolkata -700047

I have transferred my money through upi and the money has been successfully transferred and debited from my account and transferred to billdesk wich was followed to transfer my dedited money to other bank but it has not been done till yet. Its almost 5 days now. I think its a fraud. I want to refund my money back to my account.