Hello Ankush,
Well it might be a problem of the servers of CSAB that the details are not getting updated in the website or since many people are filing up the form at a time so there may be lot of network traffic. Since you have already paid so if by any chance the amount get bounced then it will directly get refunded in your bank account. So better wait for sometime and recheck the CSAB website to confirm your payment.
Good Luck !!!
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