All India Institute Of Medical Science [AIIMS] — Transaction problem

Respected sir/ mam,
I have paid INICET july2021, 3 times from my SBI account via UPI, SBI netbanking, Phonepe QR code, the amount Rs 6, 000/- debited, but the registration not successful. My final registration is incomplete. kindly solve the issue and refund my extra amount of Rs4000/- as soon as possible.