Paynimo / Techprocess Payment Services — UPI transaction -Amount successfully deducted.Not credited to Merchant website.Refund related

I had made a transaction of Rs 1214 to Kerala State Electricity Board's webportal kseb.in where techprocess is the payment gateway.It is done through my upi id [protected]@upi, using bhim app.The money is debited from my bank account and shown payment''success'' in bhim app.But in Kseb merchant site it is shown failed at PG.
So, Kindly refund the amount.

To merchants upi id: [protected]@icici
debited from my account: [protected] using,
bhim app upi id [protected]@upi
TRANSACTION ID:[protected]
Time of transaction: 11:28AM Date of transaction: 14 June 2023
Bank account statement enclosed with this mail.