New Delhi, Jan. 30 -- The Delhi High Court on Friday issued notice to the aviation regulator, the Directorate General of Civil Aviation (DGCA), and InterGlobe Aviation, the operator of IndiGo, on a petition challenging the decision to defer the implementation of revised Flight Duty Time Limitation (FDTL) rules till 10 February, following widespread flight disruptions in December.

However, the court refused to issue notice to all airlines, as requested by IndiGo's senior counsel, Sandeep Sethi, during the hearing.

A bench led by Chief Justice Devendra Kumar Upadhyaya and Justice Tejas Karia asked the DGCA and IndiGo to explain why the new FDTL rules were kept on hold and what relaxations were given to the airline. The case is likely to b...