Bruhat Bengaluru Mahanagara Palike [BBMP] — Paid trade license renewal fee twice but not received acknowledgement

Address:

9/1 SH Road Shivaji Nagar Bangalore

Hi
I was trying to renew my trade license online twice and just after making the payment it showed as the site cannot load..
below are the details of my license number and transaction details:
trade license number: SO[protected]
date: 30-MAY-23
1st payment: through Kotak Mahindra Payment Gateway vide Ref No. [protected] against merchant OSBDBILLPA
2nd payment: through Kotak Mahindra Payment Gateway vide Ref No. [protected] against merchant OSBDBILLPA

my mobile number: [protected]
my acc no: [protected]
my bank : kotak Bank
total amount debited: 8007.08

I kindly request you to please refund my full amount.
thank you