 GMR Aero Technic Ltd is the only one MRO in private sector in India with extensive capability to maintain Airbus A320 family aircraft, Boeing 737, ATR 72/42 and Bombardier DHC Q400 aircraft.GMR Aero Technic is a world class aircraft maintenance organisation approved by EASA and Directorate General of Civil Aviation (India) and various civil aviation authorities and one of the few MROs certified for AS9110 standards in South East Asia region.The other MRO is operated by Air India Engineering Services Limited (AIESL), a subsidiary of Air India.