Kathmandu, April 4: Nepali Congress leader Sekhar Koirala has remarked that for the political stability and development of the nation, there is no alternative to the Nepali Congress and UML alliance. Speaking to the media at Biratnagar Airport this morning, Koirala remarked that the nation is passing through a critical phase. He said that the present alliance government cannot ensure stability and cannot develop the nation.  For a stable government, the NC and UML should join hands, Koirala said.  Recalling the past, Koirala said that only after NC and UML joined hands, the nation able to get the new constitution.  People’s News Monitoring Service.