Crew stopped the climb at 10,000ft and returned to Delhi for safe landing one hour after departure.
Reports that the engine suffered a fire was told by airlive.net but India's largest newspaper was told by the airport that there had been no fire at all.
Airport spox tells me there was incident with Cathay Pacific cargo plane but not aware of any fire. He's checking... https://t.co/HVvjWK9iwd
— Alexander Smith (@AlexSmithNBC) October 30, 2015