Nielit — balance debited from my account and credit to your account successfully, need refund

To,
Nielit
Sir,
I have done my payment on 14-may-2019 by neft/rtgs payment mode and payment was successfully done with transaction id-p1905141717214804872353 and upi reference no.[protected] but on filling the transaction details the details are showing invalid and fees is showing not submitted, amount is 3600 (O-level fees).
Bank name-bank of india.
Sir please solve this and refund my balance.