In a letter to the Union Civil Aviation Ministry, Fadnavis has recommended an alternative construction sequence under which the new terminal would be developed before the existing facility is demolished. Maharashtra Chief Minister Devendra Fadnavis has proposed a phased redevelopment of Terminal 1 (T1) at Mumbai`s Chhatrapati Shivaji Maharaj International Airport (CSMIA), suggesting that the. The plan aims to keep the existing facility operational until.