Mughalsarai , Samastipur , Sonpur 3. East Coast ECoR 2003, April 1 Bhubaneswar Khurda Road , Sambalpur , Visakhapatnam 4. Eastern ER 1952, April Kolkata Howrah , Sealdah , Asansol , Malda 5. North Central NCR 2003, April 1 Allahabad Allahabad , Agra , Jhansi 6. North Eastern NER 1952 Gorakhpur