Five Mail/Express trains including Amritsar-Howrah Express, Sitamarhi-Kolkata Express and Dn Bagh Express and two Passenger trains have been detained en-route since morning, Eastern Railway said in a release.
Two passenger trains had to be cancelled while two others had to be short terminated at Asansol, it said, adding Poorva Express was being diverted via Dhanbad and Gaya.
Similar obstruction was held near Pakur station on Eastern Railway's Howrah division from 9:12 AM, resulting in one Express train and three passenger trains being detaining en route, the release said.
Block Development Officer, Pakur, Sanjeev Kumar, Officer In-charge of Muffasil police station R K Minz had arrived at the spot to persuade the Morcha activists to lift the agitation.
Two Express trains - Kanchenjunga Express and Dn New Jalpaiguri - Howrah Shatabdi Express have been diverted through Gosaigaon-Poradanga route, it stated.