HDFC Bank — fastag

Applied for Fastag on HDFC website.
Paid for HDFC fastag on Nov 28. Ref no. HR[protected].
The payment of INR 500 is already deducted.
Didn't receive confirmation message or status.
Your helpline[protected] is always engaged and there is not response.
today morning I called again and get response that untill the Wallet id is not created HDFC can't track the status of the request though Ref number is shared. This is soo illogical.
Please respond on status and when I will get the Fastag.