It happened with me last month. But transaction appeared as successful payment within 48 hours. But I had made the payment with 5 to 7 days remaining. So, I was not worried. This is very common error in case of freecharge. Most of the payments are successful.
What you can do is contact Axis and ask them to provide 2 days extra to clear dues.
I heard somewhere that there is always a grace period of 2 to 3 days for each and every card.
Below is the extract from RBI Master Directions:
Card-issuers shall report a credit card account as 'past due' to credit information companies (CICs) or levy penal charges, viz. late payment charges and other related charges, if any, only when a credit card account remains 'past due' for more than three days. The number of 'days past due' and late payment charges shall, however, be computed from the payment due date mentioned in the credit card statement, as specified under the regulatory instructions on ‘Prudential norms on Income Recognition, Asset Classification and Provisioning pertaining to Advances’ amended from time to time. Penal interest, late payment charges and other related charges shall be levied only on the outstanding amount after the due date and not on the total amount.