New Delhi, Dec. 8 -- Flight operations of IndiGo on Sunday limped back to near normalcy after a week-long chaos in the aviation sector. It operated 1,650 flights of its 2,300 daily domestic and international flights on Sunday, and 650 remained cancelled for the day. Flight cancellations hit airports in Delhi, Kolkata, and Hyderabad the hardest. The airline claims it expects to stabilise operations by December 10.

Earlier, the Directorate General of Civil Aviation (DGCA) served show cause notices to the airline's CEO Pieter Elbers and Accountable Manager Isidro Porqueras.

The airline has requested the DGCA and the Ministry of Civil aviation for an extension till Monday evening to respond to the show cause.

The Ministry of Civil Aviation...