Just two years after the collapse of the Kandwal railway bridge on the Pathankot-Jogindernagar narrow gauge line, another vital rail structure is teetering on the edge of disaster. The Pathankot-Kandrori Chakki railway bridge, located near the Dhangu area in Himachal Pradesh's Indora Assembly constituency, is under serious threat due to rampant, unregulated mining of the Chakki riverbed.