An Air India plane, with 49 on board, landed under emergency conditions at the airport here on Tuesday soon after take off after the pilot noticed some technical problem in one of the engines.

The Kochi-Bangalore-Chennai A-320 IC 509 flight with 42 passengers and seven crew had taken off for Bangalore at 0700 hours from Nedumbassery airport, but returned within 30 minutes after the problem was noticed, airport sources said.