The operations of budget carrier Spicejet were snagged by two emergency landings in the same day.
Seven SpiceJet aircraft have made landings in just the last 17 days.
A SpiceJet flight touched down safely in Mumbai after the cockpit windshield was cracked.
A separate flight to Dubai, a jet diverted to Karachi, Pakistan because of a reported fuel indicator malfunction.
This involved a Boeing 737 Max aircraft.
A replacement aircraft had to be sent to Karachi to take passengers to Dubai.
A Jabalpur-bound SpiceJet flight at the weekend reported smoke in the cabin.
The regular Directorate General of Civil Aviation (DGCA) is probing all seven of the incidents.
