Check the FASTag balance in the issuer’s mobile app or website
Log in using your registered mobile number or vehicle details
View the wallet or tag balance section
Send an SMS to the FASTag issuer’s customer care number, if supported
Use the toll plaza deduction SMS alerts received on your registered mobile number
Call the FASTag customer care helpline and verify your balance
Check the linked prepaid wallet or bank account statement, if applicable
Use the issuer’s chatbot or WhatsApp service, if available