If you drive on India's national highways, two changes in 2026 directly affect what you pay at the toll plaza. First, national highway toll plazas stopped taking cash from 10 April 2026 (at first not in Tamil Nadu, Kerala, Assam, West Bengal and Puducherry, where elections were on), leaving FASTag and UPI. Second, the long-standing penalty for entering a FASTag lane without a valid, active tag still applies: you pay double the normal toll. Together these mean that a missing, expired, or low-balance FASTag can cost you real money at the plaza.
This guide explains what the double-toll rule is, when and where cash is being withdrawn, what the UPI surcharge means, and the specific situations where a double charge is unfair and recoverable. The aim is simply to help you keep your FASTag in a state where you drive straight through. Rules, fees, and rollout dates can be revised by NHAI/MoRTH and may differ by region and plaza, so always confirm the current numbers with your FASTag issuer (your bank) or official NHAI sources before relying on them.
What the FASTag double-toll rule actually says
The rule is simple in principle: if you enter a FASTag lane without a valid, working FASTag, the toll operator can charge you twice the applicable user fee for that plaza. This is not new for 2026 - it has existed for years - but it matters more now because the cash lanes that used to be a fallback are being closed.
"Without a valid FASTag" covers more than just having no tag at all. You can be treated as not having a valid tag if the FASTag is blacklisted for low balance, has incomplete or expired KYC, is not properly fixed to the windscreen, or is linked to the wrong vehicle registration number (VRN). In these situations the scanner can read your tag as invalid and the 2x charge may apply.
- Double toll = 2x the normal user fee for that specific plaza, so the rupee amount differs from plaza to plaza.
- Triggered by: no tag, blacklisted tag, incomplete/expired KYC, VRN mismatch, or a tag held in hand instead of fixed on the windscreen.
- The charge is per crossing - so on a long trip with multiple plazas, it can add up.
Cash ban 2026: why "I'll just pay cash" no longer works reliably
From 10 April 2026 national highway toll plazas take payment by FASTag or UPI only. At first the change did not apply in Tamil Nadu, Kerala, Assam, West Bengal and Puducherry, where the election code of conduct was in force. FASTag already accounts for over 98% of toll transactions on national highways, so the cash lane was serving a shrinking minority.
Note that the rollout is not necessarily uniform on day one - reports indicate the change can be staggered, and some states or regions may see it applied later (for example, where a Model Code of Conduct or other local factors apply). State or non-NHAI roads may also differ. The practical takeaway is the same everywhere: do not assume you can pay cash to fix a FASTag problem at the lane. If your tag fails, your realistic options are UPI (at a surcharge, below) or sorting out the tag on the spot, which is stressful with a queue behind you. The clean answer is to never reach the plaza with a broken tag.
The UPI surcharge - the new "soft" fallback
To help drivers who are digital but do not have a working FASTag, plazas are set to accept UPI at the toll lane - but at a surcharge. Reported guidance puts this at about 1.25x the normal fee (a 25% surcharge). This is set lower than the 2x double-toll charge, to nudge people toward FASTag rather than penalise them as harshly as a blank-lane entry.
Think of it as a middle tier: FASTag (normal fee) is cheapest, UPI (about 1.25x) is the in-between fallback, and entering a FASTag lane with no valid digital payment is the most expensive at 2x. UPI acceptance and the exact surcharge can vary by plaza and may change, so treat 1.25x as the current indicative figure and confirm it locally or with your issuer.
Blacklisted tag and the 70-minute grace window
A common reason a working FASTag suddenly "fails" is blacklisting linked to low balance. While NHAI has eased the formal minimum-balance requirement, issuer banks may still temporarily deactivate a tag when the balance runs very low, as per their own policy - sometimes even with money in the linked wallet, because the wallet and the tag can sync on separate ledgers. Maintaining a comfortable buffer (many users keep a few hundred rupees) avoids this.
An NPCI circular effective 17 February 2025 deals with tags that were blacklisted from 60 minutes before to 10 minutes after the reader read them — the so-called 70-minute grace window. NHAI has clarified that this settles disputes between the toll plaza's bank and your tag's bank and has no impact on FASTag customers: national highway plazas read your tag's status in real time, so a recharge made any time before you reach the plaza counts. Some state-highway plazas still use an older system, so recharge earlier there. The safer habit is to keep a healthy balance (or enable auto-recharge) so blacklisting never happens.
- Keep a buffer well above any bank minimum - don't run your FASTag down to single rupees.
- Set up auto-recharge / auto-debit so the wallet tops up automatically.
- Keep KYC current and the VRN correctly linked - both can silently lead to a tag being treated as invalid.
When a double charge is UNFAIR - and how to get it back
A double toll is generally only fair when you knowingly entered a FASTag lane without a valid tag or with insufficient balance - the position set out in the MoRTH circular dated 11 January 2022. If your tag failed because of a bank-side or NETC/NPCI-side technical defect - for example, the tag was blacklisted despite a proven sufficient balance - the operator should not charge you double, and any double charge taken should be recoverable.
If you are wrongly double-charged, note the plaza name, lane, date and time, keep the receipt, and raise a complaint with your issuer bank (the toll customer-care number, the bank app) or via NHAI grievance channels such as the Rajmargyatra app or the NHAI helpline 1033. Keep evidence of your balance at the time, since that helps prove the failure was not your fault.
Separately, for unpaid tolls there is now a structured e-notice recovery system under the National Highways Fee (Determination of Rates and Collection) (Second Amendment) Rules, 2026 (effective 17 March 2026): if a toll goes unpaid, the registered owner can receive an electronic notice (SMS, email or app) and clear the original amount penalty-free within 72 hours - after that, the dues can become twice the toll, with further enforcement via VAHAN for prolonged non-payment. So do not ignore a toll e-notice.
Simple ways to never pay double
Avoiding the penalty is mostly about preparation, not luck. A few minutes of housekeeping keeps every plaza a non-event.
If you are a private car owner who uses highways often, also consider the FASTag Annual Pass. From 1 April 2026 it is priced at Rs 3,075 and is valid for one year or up to 200 trips (whichever comes first) on National Highway and National Expressway fee plazas, for eligible non-commercial vehicles such as cars, vans and jeeps. For frequent travellers it can sharply cut the per-trip cost - but confirm current pricing and eligibility before buying, as the fee is revised periodically.
- Make sure the FASTag is properly affixed to the windscreen (not loose in the glovebox).
- Keep KYC complete and the tag linked to the correct VRN.
- Maintain a healthy balance and enable auto-recharge.
- Use only one FASTag per vehicle - using one tag across vehicles can get it deactivated.
- If you change vehicles, close/deactivate the old tag and get a fresh one for the new VRN.
- CareAll can help with new FASTags, recharges, KYC fixes, and blacklist/VRN problems - most queries are handled on WhatsApp at 90420 10180; timelines for new tags vary, so ask us for the current dispatch estimate.