Key PointsForeign airlines recommend shifting 14 international routes from Mumbai (CSMIA) to Navi Mumbai (NMIA).The move is destination-based and facilitates the redevelopment of CSMIAs Terminal 1.Indian carriers like IndiGo, Air India Group, and Akasa Air have already agreed to move services.The transition begins in March 2027, with T1 redevelopment completed by 2030, increasing overall airport capacity.NMIA offers incentives like waived landing fees and passenger vouchers to encourage the route shift.