HDFC Bank — HDFC Bank got a message that my transaction using atm/debit card has been reversed/credited, but the amount is not reflecting in

Did a transaction using debit card in irctc by cancelled the ticket after 2 days.HDFC Bank — got a message that my transaction using atm/debit card has been reversed/credited, but the amount is not reflecting in my bank account.
Dear Card Member,

We note that a transaction for Rs 855.00, on your HDFC Bank Debit Card ending 1744 at IRCTC on[protected]:24:57 has been reversed. I HAVEN'T RECEIVED THE AMOUNT TILL NOW