National Payments Corporation of India [NPCI] — I am complaining about my recent transaction

As on 30 Dec sum of 2000 was sent using paytm upi with reference id:[protected]. amount is not credited yet to receiver but debited from sender's account.when I approach sender, receiver, paytm they simply replying that amount is credited to beneficiary and npci also has successfully payment.if npci has successfully finished where the amount gone without crediting to beneficiary.
Sender's account :[protected]
Receive account:[protected]