KRISHNAGAR Less than a month before the panchayat elections begin, the Nabadwip block Trinamul Congress has decided to focus on the issue of erosion along the banks of the Ganga. To register their outrage against the state's inaction in checking river erosion, the Nabadwip Trinamul Congress blocked Nabadwip road on Sunday morning and also stopped the Shantipur-Nabadwip toy train at Maheshganj near Nabadwip.