India, Jan. 22 -- The Directorate General of Civil Aviation (DGCA) informed the Delhi high court on Thursday that it has issued warnings to senior IndiGo executives, including the chief operating officer and a director, and ordered the dismissal of a senior vice president over operational disruptions that left thousands of passengers stranded at airports across the country late last year.

The court also sought clarification from the airline on whether passengers offered Rs.10,000 travel vouchers would be allowed to redeem them even after the vouchers' validity period expires.

Appearing for the aviation regulator, additional solicitor general Chetan Sharma and advocate Anjana Gosain told a bench headed by Chief Justice DK Upadhyaya and J...