Pay double toll without FASTag: Here's how to get it, charges applicable

Any vehicle without a FASTag, or an invalid FASTag entering into the FASTag lane would be liable to pay two times the fee applicable at the toll plaza.

from Wealth-Economic Times https://economictimes.indiatimes.com/wealth/spend/pay-double-toll-without-fastag-heres-how-to-get-it-charges-applicable/articleshow/80920237.cms