DGCA sources pegged SpiceJet's total dues at Rs 1,600 crore (Rs 16 billion), which the airline owes lessors, vendors, income-tax department and airport operators.
Concerned about the deteriorating financial and operational performance of the Kalanithi Maran-promoted airline, the DGCA had on Friday withdrawn 186 flight slots of SpiceJet and directed it not to take bookings for flights beyond a month.