Aviation InterGlobe Aviation shares fall 4% after DGCA directs airline to replace faulty engines Updated : November 26, 2019 01:25 PM IST As per the DGCA's directive, the domestic carrier can put these grounded aircraft back into operations once their engines are replaced. The regulator found that the steps taken by the airline to replace the faulty engines are 'unsatisfactory'. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.