If your card was stopped due to expired documentation, you must submit valid proofs of identity and address. Visit your nearest HDFC Bank home branch with original documents (Aadhaar, PAN, Passport) or log into NetBanking to check if there is an option to complete your Re-KYC digitally via video verification. Best Practices to Avoid Future Card Blocks
Calling customer care is the most reliable way to unblock a card blocked by the bank for security or payment issues. unblock hdfc credit card