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Until now,
However,
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The list will grade unruly acts committed by flyers, and in return, block them from flying for a period ranging from a few months to a few years.
Earlier, it was only while checking in that passengers had to submit their ID, but with new rules, identity proofs such as Aadhaar number, PAN card, passport or driving licence number etc would need to be procured at the time of booking tickets.
(Image source: WhereInTheWorld)