Airtel — money deducted but not credited to beneficiary

I transfer money from my Airtel Payment Bank account using Paytm (BHIM UPI) to his Axis Bank ASAP account but not credited to my account. It shows transaction is successful in my airtel payment bank statement. But in my friend's asix bank ASAP UPI section it shows failed.
The details are below -
Transaction date - 7 - Dec -2018
Transaction amount - Rs. 2000
UPI reference Id[protected]
Airtel Payment Bank transaction id- [protected]
Transaction Id- PTM83fd8af411b64b 03aec79944635ec242