Hours after IndiGo CEO Pieter Elbers and COO Isidre Porqueras responded to a show-cause notice by the Directorate General of Civil Aviation (DGCA), the aviation watchdog released a statement providing details of the airline's response.

The DGCA, in its release, confirmed that it had received IndiGo's response to the notice issued over mass flight cancellations.

The DGCA said that IndiGo had attributed the mass cancellations to the "compounding effect of multiple factors," which operated in an "unfortunate and unforeseeable confluence".

IndiGo further stated it was "realistically not possible to pinpoint the exact cause(s)" behind the breakdown of flight operations, saying that complexity and scale of its network made such an exercise challenging.

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