Mumbai/New Delhi, July 27 -- IndiGo on Monday redesignated its chief financial officer (CFO) and elevated his deputy to CFO, the latest in a series of leadership changes at India's largest airline since managing director Rahul Bhatia took over as interim chief executive officer (CEO) in March.

The airline redesignated CFO Gaurav Negi as adviser to the managing director effective after business hours on Monday. Deputy CFO Kiran Thadimarri will take over as CFO and key managerial personnel from Tuesday, the company said in a stock exchange filing.

The transition is the latest in more than half a dozen senior leadership changes at IndiGo since Bhatia took over in March following the abrupt exit of former CEO Pieter Elbers. It also comes ah...