Eleven trains, including Mahananda Express, are running about 30 hours late. Seemanchal and Magadh Express are about 10 hours behind schedule.
Railways had to reschedule departure timings of eight trains, including Sealdah Rajdhan and Bhubaneswar Rajdhani, owing to dense fog in the morning.
Toofan Express, Lichhivi Express and Lal Quila Express are among 11 trains cancelled due to the bad weather condition.