New Delhi, March 10 -- IndiGo's chief executive officer, Pieter Elbers, resigned from the airline on Tuesday, an abrupt leadership change coming three months after poor planning led to the country's worst civilian crisis, which saw the airline cancel over 4,500 flights in the first week of December.

On Tuesday, InterGlobe Enterprises Ltd, which runs IndiGo, informed the exchanges that Elbers had resigned with immediate effect, prompting the founder and managing director, Rahul Bhatia, to step in as an interim boss.

Significantly, this is the second time Bhatia has served as an interim CEO, following his first stint in 2018.

"As per our conversation, due to personal reasons, I herewith submit my resignation from the position of CEO of I...