"We are pleased that we were able to resolve this procedural matter in an expeditious fashion, and appreciate the assistance and cooperation of Indian authorities," said the official, who did not give details on the confusion.

Pilots use a call sign to identify themselves and confirm that they are authorised to enter a country's airspace.

The PTI news agency said the chartered plane came from the Middle East with 205 marine commandos, all of whom stayed on the aircraft pending official clearance.