Buy & recharge FASTag: You can check the real-time balance of and recharge FASTag issued by any bank: ICICI FASTag SBI FASTag Paytm FASTag NPCI FASTag Airtel FASTag Axis FAStag Kotak FASTag IDFC FASTag Bank of Baroda FASTag HDFC FASTag IndusInd FASTag IDBI FASTag How to check your...