<h1>Pilot removed from Vancouver-Delhi flight after 'fitness for duty' alert; airline grounds pilot pending investigation and delays departure</h1> A pilot was removed from duty after Canadian authorities raised a 'fitness for duty' concern immediately before departure of a Vancouver-Delhi flight, and the airline grounded the pilot pending inquiry. The pilot was offloaded prior to departure and taken for further inquiry, and an alternate pilot was rostered to operate the flight, causing a delay. The airline stated it is cooperating with local authorities and that, pending the investigation outcome, any confirmed violation will trigger strict disciplinary action under company policy.