To: The Nodal Officer (Passenger Grievances), [airline name]

Subject: [Cancellation / delay / denied boarding / refund], PNR [______], flight [number] on [DD-MM-YYYY]

Earlier complaint reference no.: [______], filed on [DD-MM-YYYY]

What happened:
[Flight [number] from [city] to [city], scheduled [time], was [cancelled / delayed by __ hours / I was denied boarding]. I was informed on [date and time / not informed].]

What I am asking for:
[Full refund of Rs. ____ / compensation under para [3.2.2 / 3.3.2] of DGCA CAR Section 3, Series M, Part IV / reimbursement of meals or hotel costs of Rs. ____]

If this is not resolved, I will escalate to the Appellate Authority and file on AirSewa.

Attached: [ticket, boarding pass, airline messages, receipts]

Name: [your name]
Mobile and email used for the booking: [______]
Date: [DD-MM-YYYY]