AU Small Finance Bank Customer Care
Need assistance with your AU Small Finance Bank account, unauthorized transaction disputes, or lost card emergency? Below are the official 24x7 toll-free helplines, WhatsApp banking numbers, and grievance escalation paths.
If your debit card is stolen or you notice unauthorized debits, hotlist it within seconds to prevent further losses:
Dial 1930 or file on cybercrime.gov.in
Missed Call & Digital Banking Services
Check balance and mini-statement without logging into the internet or paying SMS charges
Give a missed call from your registered mobile number
Save number and send "Hi" to initiate chat
AU Small Finance Bank Grievance Redressal Process
If regular customer support does not resolve your problem, escalate level-by-level
| Escalation Tier | Designation / Authority | Contact Channel | Resolution Timeline |
|---|---|---|---|
| Level 1 | Branch Manager / Contact Center | customercare@aubank.in | Within 7 working days |
| Level 2 | Grievance Redressal Officer | gro@aubank.in | Within 14 working days |
| Level 3 | Principal Nodal Officer | pno@aubank.in, Jaipur, Rajasthan | Within 21 working days |
| Level 4 | RBI Banking Ombudsman | cms.rbi.org.in or dial 14448 | After 30 days of unresolved complaint |
Explore Related AU Small Finance Bank Resources
Frequently Asked Questions
What is the 24x7 toll-free customer care number of AU Small Finance Bank?
You can reach AU Small Finance Bank customer care toll-free at 1800 1200 1200. These numbers are completely free to dial from any mobile or landline network in India.
How can I check my AU Small Finance Bank account balance by missed call?
Give a missed call to 1800 120 2585 from your mobile number registered with AU Small Finance Bank. You will receive an instant SMS with your available account balance within 60 seconds.
How do I block a lost or stolen AU Small Finance Bank ATM debit card?
Immediately dial toll-free 1800 1200 1200 to request emergency card hotlisting.
How to file a formal complaint against AU Small Finance Bank if not resolved?
If your issue is not resolved by the Branch Manager within 7 days, escalate to the bank's Principal Nodal Officer (PNO). If the bank fails to resolve it within 30 days, you can lodge an appeal directly with the Reserve Bank of India (RBI) Banking Ombudsman at cms.rbi.org.in or dial 14448.