"In view of the serious law and order situation in lower Assam, running of trains have been affected and passengers are stranded in various stations," NFR chief public relation officer S Hajong told PTI here.
Howrah-Dibrugarh Kamrup Express is stranded at Kamakhyaguri since 2.45 pm while Kolkata-Guwahati Garibrath Express is held up at New Coochbehar since 1.47 pm.
The Lokmanya Tilak Terminus-Guwahati Express is stranded at New Alipurduar since 2.28 pm and the New Delhi-Dibrugarh Rajdhani Express at New Coochbehar station, he said.
The Anand Vihar-Guwahati North East express is stranded at Dhupguri since 10.35 am, while Ranchi-Kamakhya Express and Danapur-Kamakhya Express are being regulated at Alipurduar station.
Among the down trains affected are Dibrugarh-Kamakhya Express at New Bongaigaon while Guwahati-Howrah Saraighat Express, Jammu Tawi Lohit Express, Dibrugarh-Chennai Express and Guwahati-Alipurduar Sifung Express could not resume their onward journey from Guwahati, he said.
Efforts are on to resume train services, Hajong added.