Billdkstatebankcolle — Above amount has been deducted from my account but the transaction was not done

Sir/mam
I have done a payment via billdkstatebankcolle for
SECURITY ASSISTANT/EXECUTIVE & MULTI-TASKING STAFF (GENERAL) EXAMINATION-2022
An amount of Rs 506.00
(Narrationnhdf[protected]/billdkstatebankcolle)
On 07 Feb 2023 the above amount has been deducted from my account but the transaction was not done
Cheque/Ref. No. [protected] .
Narration YHDF[protected]-BilldkStateBankColle
My bank is hdfc.
Kindly do the needful.
Thanking you.