B S Bhullar, a joint secretary in the Civil Aviation Ministry, was till now holding additional charge of the company.
The Appointments Committee of the Cabinet (ACC) had cleared Sharma's appointment to the post on February 23.
Prior to his new appointment, Sharma was working as Airport Director and Executive Director for projects at the Kolkata Airport, the company said in a release.
He also worked with International Civil Aviation Organization's Field Project Office in Kabul as an E&M Engineer and Instructor, it said.
