Preliminary reports on investigation of Chief Commissioner of Rly Safety ,N.F. Zone,Kolkata Sri B.Singh on rolling down of dead Loco UP DC 13189 WDG3A of Abu Road Shed,North Western Rly with 42 BCN wagons & subsequently colliding with NR 04292 WGSCN(S-9) coach of 14055 Dibrugarh Delhi Brahmaputra Mail at Karanpurato Station over Eastern Rly,Malda division & administrative district of Sahibgunj in the state of Jharkhand which resulted in casualties.