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
Method | How to Initiate | Speed | Notes |
---|---|---|---|
Toll-Free Call | Call 1800 425 00000 | Immediate | Free, needs registered mobile |
Paid Helpline Call | Call 044‑25… (Chennai numbers) | Immediate | Charged numbers |
Internet Banking | Portal → Block ATM Card | Instant | Requires net banking login |
Mobile App | IndOASIS/IndSMART → Block Card | Immediate | Needs app login |
WhatsApp Banking | WhatsApp → Block Debit Card | Instant | Use registered mobile |
Branch Visit | Fill form at branch | Few hours | RC/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.