All India Institute Of Medical Science [AIIMS] — for refund of money due to twice transaction for same registration number

Address:

New Delhi, Delhi

Hello,
I have applied for md/ms/mch course for january 2020. For that i have made payment 1st through option 1 the upi during this the amount of 1200 is debited from my account but in application it showed that the transaction is failed.
So i choose the other payment option 1 and did with debit card details. After that the payment was made successful and the application was successful submitted.
I technically i have paid for 2 times first 1200 from upi payment method which showed failed transaction and the reference number is[protected].
The other transaction from debit card details was successful.
My registration number is p[protected].
So there is twice i paid amount for my registration number.
So kindly refund my amount as soon as possible.
Thank you.