Short answer: you have a strong claim, and you should press it. The principle running through Indian aviation rules is simple: a paid seat fee buys a service, and when the airline cannot deliver that service - the aircraft changed and your exact seat no longer exists, you were moved for operational reasons, or your paid seat category disappeared - the fee comes back. IndiGo's own add-on terms refund the fee when the booking is cancelled; DGCA has separately strengthened passenger rights on downgrades, requiring refunds of up to 75% of ticket cost in downgrade cases. A paid extra-legroom seat that vanishes in an aircraft swap sits squarely in this territory.
What actually happens in an aircraft swap. Airlines substitute aircraft more often than passengers realise - an A320 goes tech, a smaller or differently-configured aircraft takes over. The seat map changes: row 14 with extra legroom may become row 19 without it, or the exit row vanishes entirely. The system auto-reassigns passengers, and paid-seat holders are supposed to get an equivalent seat or their money back. The gap is between 'supposed to' and 'did' - refunds for seat fees are rarely automatic, which is why the claim matters.
The claim that works. Do it in writing, soon, with the paper trail: your PNR, the original seat and fee receipt, the flight date, and one sentence stating the seat paid for was not provided because the aircraft changed. IndiGo's customer care and the grievance channels on airline websites handle these; keep the acknowledgment number. If the airline drags past a few weeks, the Ministry of Civil Aviation's Passenger Charter of Rights and the AirSewa grievance portal are the escalation path - the charter exists precisely for service-not-delivered disputes.
Sort the cases before you claim. Four scenarios, four outcomes. One, the airline cancels or swaps aircraft and cannot give an equivalent paid seat: full fee refund claim - solid ground. Two, the airline moves you involuntarily from the paid seat: same claim. Three, you are downgraded from a paid cabin: DGCA's revised rules bite here, with refunds reaching 75% of the ticket cost - far more than the seat fee. Four, you voluntarily changed flights or seats: the fee is typically gone - voluntary changes break the arrangement from your side.
Small habits that protect the money. Screenshot the seat map showing your paid seat after booking, and save the add-on invoice email - the claim is a two-minute job with them and a two-week argument without them. Check your seat again when the airline mails a schedule or aircraft change: catching a reassignment before travel day lets you reselect online rather than argue after landing. And pay seat fees by card, not cash vouchers, so the refund has an obvious path home.
How TripKeeper handles it. When an airline swaps aircraft on a trip we planned, re-checking seat assignments and filing fee-refund claims is our work, not the traveller's. If you would like those recoveries chased for you, send us a trip-planning inquiry.
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