Airline major IndiGo announced on Friday that it has selected CFM International ‘LEAP-1A’ engines to power its fleet of 310 new Airbus family of aircraft which will be delivered from 2023 onwards.These aircraft belong to different categories, including A320neo, A321neo, and A321XLR.The agreement includes 620 new installed engines and associated spare engines, as well as a long-term, multi-year service agreement.