Hello,
You need to get your e-receipt from the gateway link which is in the Hyderabad University official website and enter the reference number.Due to the lockdown it is taking time for the transactions status to update.You must have received a messaged as money being debited from your account but it may take time for the receiver's bank to process the amount credited.Please try getting the e-receipt tomorrow or wait for at least one day.
Here is the link to the pdf where you can see the steps to get e-receipt
http://acad.uohyd.ac.in/downloads/print_receipt.pdf
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile