Fadnavis proposes a phased redevelopment of Mumbai airport’s Terminal 1, developing T1B first to ensure continuous flight operations until completion. Maharashtra Chief Minister Devendra Fadnavis has suggested a phased redevelopment of Mumbai airports Terminal 1 (T1), proposing that the existing terminal continue to. Maharashtra Chief Minister Devendra Fadnavis has opposed a plan to shift flights serving 14 international destinations from Mumbai airport to Navi Mumbai from next summer.