Kathmandu, 9 January :Nepali Congress president Sher Bahadur Deuba has remained tough on his stance and clearly said that the central committee’s decision to convene the 14th national convention in February 2021 is irreversible.At a lunch meeting with 52 district presidents at his residence in Budhanilkantha, Deuba, however, said that he was in favour of running the party based on consensus. People's News Monitoring Service