Elbers had helped IndiGo grow fast (revenue topped $10 billion and the fleet crossed 440 planes under his watch), but he faced tough questions when the crisis hit.
Regulators sent him a show-cause notice for not keeping things running smoothly.
Even though the board initially backed him, mounting government pressure and angry passengers demanding refunds made his position shaky.
For anyone following India's travel scene or big leadership shake-ups, this is one to watch.