Nepali Congress chairman Girija Prasad Koiralaand Prime Minister Pushpa Kamal Dahal on Tuesday held dialogue.During the meeting, PM reportedly urged Congress to come to agreementin terms of taking action against Chief of Army Staff RukmangadKatawal. NC thoroughly rejected the proposal.The meeting was participated by Maoist secretariat member Narayan KajiShrestha, Dr. Baburam Bhattarai and Ram Chandra Poudel, Krishna PrasadSitaula from NC side.They also discussed the latest political development and alternativeroute to solution of the problems.NC has been obstructing the Constituent Assembly session in protest ofgovernment decision to sack CoAS.