New Delhi, Aug. 4 -- Less than 48 hours into the job, IndiGo's new chief executive officer (CEO) William Walsh used his first address to employees to signal that the airline will stay the course on international expansion despite mounting global headwinds.

"Aviation today faces evolving airspace challenges, supply chain constraints and changing global conditions and these realities require us to remain agile, disciplined and resilient. Yet they do not change our direction," said Walsh, addressing employees during IndiGo's 20th anniversary townhall on Tuesday.

Civil aviation minister Kinjarapu Ram Mohan Naidu was also present at IndiGo's headquarters in Gurugram to commemorate the airline's 20th anniversary.

"Now what excites me even mo...