Security personnel conducted extensive checks on the aircraft and found no danger, allowing the flight to proceed as planned, a Cochin International Airport spokesperson said in a statement in Kochi.
The Central Industrial Security Force on Thursday issued alert across all domestic and international airports in the country to step up security at these facilities in the wake of the Chennai blasts.
The Central Industrial Security Force has re-jigged security of all airports across the country as it has replaced the ritual drill of frisking of passengers with "tactical checking" in order to reduce hassles and ensure a heightened level of protection to civil air operations.