If source to be believed then NER was all set to inaugurate ASH/Aishbagh - STP/Sitapur section on 25-Dec-2018 however due to no time slot available from honorable home minister Mr. Rajnath singh said section wasn't inaugurate however don't lose hope new timeline been given from honorable railway minister Mr. Piyush Goyal as 09-Jan-2019 when he will flag off inaugural train.
Keep watching for more update.