All India Institute Of Medical Science [AIIMS] — Payment done twice for INI-CET Registration

Respected sir/madam,
I have filled my application form for INI-CET, Register no- P[protected]
Name- Aruna Ashok
I have made a transaction of Rs.2000 using my IDBI Debit card on 10/10/2020, which was debited from my account but not reflected in the website. After waiting for a while, I did 2nd payment using portal 2, net banking which was accepted. Transaction ID shown in my completed application is of the 2nd transaction. Till date the amount of first transaction was not refunded to me. Kindly give the refund of my first transaction. Transaction ID - S20926116. Screenshots are attached below.