IDFC FIRST Bank’s FIRSTforward FASTag app is the ultimate app for all your FASTag needs. Whether you want to buy a FASTag or recharge or manage your FASTag account, you can do it all with this app in a few simple steps. FASTag is a prepaid tag that enables seamless, cash-less transactions with automatic deduction of toll charges while passing through a toll plaza. It is linked to a prepaid account from which the applicable toll amount is deducted. The tag employs Radio-Frequency Identification