New Delhi, June 25 -- The Directorate General of Civil Aviation (DGCA) is investigating an incident involving Air India and IndiGo aircraft at Ahmedabad airport after an Air India plane deviated from its assigned taxi route following landing, according to a press note issued by the aviation regulator.

The incident occurred on June 24 when an Air India Airbus A320, operating flight AI2493 from Mumbai to Ahmedabad, landed on Runway 23 and exited the runway via taxiway "C". The aircraft was subsequently cleared to taxi to the international apron via taxiways "P" and "G".

According to the DGCA, the aircraft continued on taxiway "P" instead of taking the designated right turn onto taxiway "G" towards the international apron. The crew immedia...