The most direct way to unblock your card is through HDFC’s 24/7 phone banking services.

On the left-hand menu, under the "Credit Cards" section, click on .

A representative will assist you in filling out a request form to unblock the card 1.2.2. How Long Does It Take to Unblock?

Call 1800 202 6161 or 1800 258 6161 (accessible across India).

Similar to the app, you can unblock your card through the official website. Log in to HDFC NetBanking. Step 2: Go to the 'Cards' tab. Step 3: Choose "Credit Cards" in the left menu.