Dear Mr Rahman,
At the outset, we would like to caution you against posting sensitive information such as your account and credit card number on a public forum such as this, as it may be misused, leading to grave losses.
We would like to assure you that a bank representative is currently investigating the matter and will shortly contact you. Should you wish to contact the bank in the meantime, we recommend you write to us at email@example.com with the reference id TTU00100208092010 mentioned in the subject line.
Regards, Customer Assistance, HDFC Bank