All NTES applications (Desktop, Mobile and all Apps) including 139 enquiry system, will be affected from 15-Dec-2015 23:30 hrs to 16-Dec-2015 05:30,due to reorganization and up-gradation work of UTN network.Updates of current train running status will not be available during this downtime period.Passengers are requested to follow the train timetable and enquiry from the concerned station during this period.