In Orissa, Maoists blew up railway tracks between Bisra and Bhalulata railway station in Sundergarh district early Wednesday morning. Eight bogies of a goods train has been derailed and train services between Howrah-Mumbai have also been disrupted following the explosion.<br/><br/>AIR correspondent reports, Maoists have again blew up railway tracks between Bisra and Bhalulata railway station in Sundergarh district of Orissa. Train services between important Howrah-Mumbai rail link have been stopped following this blasts which took place about 1.50 Wednesday morning.<br/><br/>On last Sunday night, Maoists had blew up railway track near Bhalulata railway station by landmine explosion.<br/><br/>Though there has been no report of any casualty, eight bogies of a goods train have been derailed following today’s blast.<br/><br/>A number of major mail and express trains and some passenger trains have been detained at several stations following the incident. Repairing work of both up and down rail tracks are going on.