France, Jan. 15 -- National regulators have come down heavily on Air India for not taking firmer action against inebriated passengers who urinated in the cabin on separate flights from France and the United States.

India's Directorate General ofCivil Aviation (DGCA) deemed Air India's response to the incidents, which took place on international flights to New Delhi in November and December,"lackadaisical" and "unprofessional".

In two separate notices issued this month, the regulator said India's flagship carrier had failed to follow proper procedures for handling unruly passengers, which include reporting them to authorities and considering banning them from flying.

On 6 December, anIndian man on an Air India jet from Paris reportedly ...