Kathmandu, Nov 13: Prime Minister Sushila Karki has directed the Nepal Airlines Corporation authorities to bring the engine of the A-320 aircraft, currently in Israel, swiftly to resume operations through the aircraft.Today, during a meeting with the NAC board of directors and management officials at Singha Durbar, Prime Minister Karki expressed her concern regarding the practice of leaving the aircraft's engine unused in Israel while a rented engine is utilized for its operation. Such irregularities are unacceptable.