India, Dec. 8 -- The real rot at the domestic carrier IndiGo started when positions prevailed over talent and somewhere along the way, pride turned into arrogance and growth turned into greed, an open letter purportedly from an anonymous IndiGo employee has claimed.

In the letter, authenticity of which could not established, the anonymous employee has named IndiGo top brass, including its chief executive officer (CEO) Pieter Elbers, chief operating officer (COO) and accountable manager Isidro Porquerus, senior vice-president for operations command centre Jason Herter and senior VP for flight operations Ashim Mittra, among others, as those responsible for the current mess within the airline.

The Directorate General of Civil Aviation (DGC...