In Assam, 20 wagons of a ballast-carrying goods train derailed at Lakwa Station in Tinsukia district early this morning. The train was on its way from Namrup to Numaligarh when the accident took place. The CPRO of the North East Frontier Railway, S. Hajong said the main rail line between Tinsukia and Guwahati has been blocked due to the derailment. The up Brahmaputra Mail and the up Inter-city express passenger trains that left Tinsukia this morning have been diverted via Moranhat alternate route. Mr. Hajong said train-running in between Tinsukia, Namrup and Simaluguri has been suspended since morning following the incident. Meanwhile, the railways have taken up restoration works on the damaged train line on a war-footing.