Nearly 15 aircraft of the Tata Group airline have been functioning reportedly without a certificate of airworthiness, a crucial check that ensures safety and security in air travel

Air India has been warned by India's aviation regulator that it could face enforcement action for breaching safety standards related to crew fatigue management and training, government notices to the airline seen by Reuters showed.

The aviation regulator acted after Air India reported multiple safety violations, including breaches in cabin crew rest rules, flight duty hours, and training procedures