According to media reports, more than 20 passengers were injured due to turbulence on the Air india Phuket flight.
Investigations showed that some hydraulics parts of the Airbus plane had failed for a short time period.
The pilots were subjected to a dope test, and one of the pilots failed the dope test.
later the media reported that traces of marijuana were found
Now all pilots are being subjected to dope tests,to prevent similar incidents in future.