New Delhi, June 17 -- The Directorate General of Civil Aviation (DGCA) on Tuesday said the aviation regulator reviewed the operations of Air India and Air India Express following the recent plane crash in Ahmedabad, and added that the surveillance of the airline's Boeing 787 planes did not reveal any major safety concern.

"Air India B787 aircraft and associated maintenance systems found to be compliant with existing safety standards," the DGCA said.

However, the aviation watchdog said that it has raised concerns over recent maintenance-related issues at Air India and directs the airline to boost inter-department coordination.

The DGCA stated that Air India has cancelled 66 flights to be operated with Boeing 787 between June 12 and June...