Use the FASTag issuer’s mobile app or website and log in with your registered mobile number or vehicle number
Check the balance in the FASTag account dashboard or wallet section
Send an SMS to the issuer’s registered number if SMS balance alerts are enabled
Call the FASTag customer care number and verify the balance after authentication
Use the toll plaza reader display if your balance is shown during tag scanning
Check transaction and balance alerts received by SMS or email
Use the bank’s net banking or UPI app if your FASTag is linked to a bank account
Open the issuer’s FASTag app and look for the available balance or wallet balance section