Complex sentence: Raha previously served as the Vice Chief of the Air Staff of the Indian Air Force and as the Air Officer Commanding-in-Chief (AOC-in-C) of the Western Air Command, and that of the Central Air Command.
Split into simpler sentences: Raha previously served as the Vice Chief of the Air Staff of the Indian Air Force. Prior to that, ACM Raha served as the Air Officer Commanding-in-Chief (AOC-in-C) of the Western Air Command, and that of the Central Air Command.