Civil Aviation Minister Suresh Prabhu ordered the DGCA to prepare a safety audit plan.
After we took off the AC malfunctioned, then air pressure system malfunctioned too&oxygen masks came out.
Both pilots of the flight have been removed from flying duty pending an inquiry.
The switch that works the crucial air-conditioning in the pressurised cabin is usually kept on.
One tweet read: "Scores of passengers including me bleeding from nose". "Even when the aircraft landed in Mumbai, the Jet personnel had no clue about the state of passengers". In January 2018, the carrier grounded two pilots following reports of a fight inside the cockpit of a flight from London to Mumbai.
A Jet Airways flight climbed thousands of feet in a few minutes leaving passengers requiring hospital treatment after they bled due to a loss of cabin pressure.
"The B737 aircraft, with 166 guests and 5 crew landed normally in Mumbai".More news: Inter-Korea Progress Has US Ready to Resume North Korea Talks
Recently, Jet Airways was also pulled up by a Bengaluru Consumer Court for overcharging a passenger for an economic class ticket and for losing another passenger's bag.
"Jet Airways regrets the inconvenience caused to its guests", it said in a Twitter post.
The plane returned to Mumbai, where 30 of its 166 passengers were treated for minor injuries, including headaches and bleeding from the nose or ears, the Directorate-General of Civil Aviation (DGCA) said in a statement.
He added that oxygen masks were deployed and affected passengers were attended to by doctors at the airport. All guests were deplaned safely and taken to the terminal.
Satish Nair also posted a picture and complained that passengers were not kept informed during the ordeal.
Airport sources said that the incident may have happened after the crew reportedly missed activating what is called a "bleed switch" before take-off, leading to the disturbance in the cabin pressure with oxygen masks getting deployed.