Methods to Block Indian Bank ATM Card

1. Toll-Free Customer Care

  • Call 1800 425 00000 (24×7, free) from your registered mobile number.
  • Follow IVR instructions or speak to an agent and provide your debit card or account details for identity verification.
  • The card is hotlisted immediately, and you’ll receive a confirmation SMS with a reference number.

2. Paid Helpline Numbers

  • From your registered mobile, call any of these Chennai lines: 044‑25279884, 044‑25279897, 044‑25279898, or 044‑25279899.
  • Process is same as toll-free—provide details and your card is blocked instantly.

3. Internet Banking

  • Log in to Indian Bank Net Banking portal.
  • Navigate to “Block ATM Card” in the main menu.
  • Select your card, choose reason for blocking, and confirm.
  • You’ll receive confirmation instantly once hotlisting is complete.

4. Mobile App (IndOASIS / IndSMART)

  • Log into the Indian Bank mobile app (IndOASIS or IndSMART).
  • Tap Cards → Block Card, select the card and tap Lock / Block.
  • Confirm via MPIN or password and process completes instantly.

5. WhatsApp Banking

  • Send Hi to 8754424242 (registered number) using WhatsApp.
  • Use path: Block Card/Trxn → Block Debit Card and follow instructions to hotlist the card.

6. Branch Visit (Offline)

  • Visit your home branch, complete a card hotlisting request form, and submit with ID/account proof.
  • Bank staff processes the request, and you can receive a printed receipt.

Quick Comparison Table

MethodHow to InitiateSpeedNotes
Toll-Free CallCall 1800 425 00000ImmediateFree, needs registered mobile
Paid Helpline CallCall 044‑25… (Chennai numbers)ImmediateCharged numbers
Internet BankingPortal → Block ATM CardInstantRequires net banking login
Mobile AppIndOASIS/IndSMART → Block CardImmediateNeeds app login
WhatsApp BankingWhatsApp → Block Debit CardInstantUse registered mobile
Branch VisitFill form at branchFew hoursRC/ID required

After Blocking: What to Do Next

  • The blocked card becomes inactive immediately—it cannot be used for ATM withdrawals, POS, or online transactions.
  • Request a replacement card via net banking, mobile app, or visit your branch.
  • Do not reuse the blocked card if found later; destroy it securely.
  • Save any reference number or email/SMS confirmation for follow-up.

Security Tips & Best Practices

  • Always call or send requests only from your registered mobile or email.
  • Never share your PIN, CVV, or OTP during any process.
  • Use only official Indian Bank apps and verified phone/email channels.
  • Monitor your account after blocking for any unusual activity and report it promptly.

Final Takeaway

Indian Bank provides multiple secure and fast channels to block your ATM/debit card—including toll-free and paid helpline calls, net banking, mobile app, WhatsApp, and in-person branch requests. The card is hotlisted instantly on verification. Replacement can be requested afterward.