India, Dec. 5 -- The Directorate General of Civil Aviation (DGCA) on Friday issued urgent directives to stabilise IndiGo's operations after four days of massive flight cancellations disrupted travel for thousands of passengers. The regulator said it had issued two orders to address the disruption and restore flight schedules.

The DGCA's latest directives follow its decision to temporarily roll back portions of the Flight Duty Time Limitations (FDTL) introduced on November 1. The regulator has granted exemptions from night-duty provisions and rules covering duties that extend into night hours, and has also withdrawn the weekly rest requirement for pilots to ease roster pressures.

The DGCA said the ministry of civil aviation was closely m...