Use the FASTag issuer’s mobile app or website and log in with your registered mobile number or vehicle details
Check the balance in the FASTag account dashboard
Send the FASTag tag ID or vehicle number to the issuer’s SMS or WhatsApp service, if available
Call the FASTag customer care number and verify the balance after authentication
Use the toll plaza display, if the balance is shown after a transaction
Check your linked bank or wallet app if your FASTag is connected to it
Review the SMS alerts received after each toll deduction
Use the NETC FASTag customer portal, if supported by your issuer
Contact your FASTag issuer’s branch or support center for balance details