The Maoists blew up rail tracks at two places in Giridih district of Jharkhand last midnight disrupting train services on Dhanbad-Gaya rail section.In the first incident, a group of ultras blasted about 3 meter stretch of rail tracks near Parasnath, while in another incident, the Maoists triggered blasts on tracks between Karmabad and Choudhary Bandh railway stations in the same district.The Maoists also blew up a project high school building in Sodeh village of Khunti district in Jharkhand.The Superintendent of Police, A.B. Minz has stated that the ultras had packed the building with explosives before blowing it up. No casualty has been reported in this incident.In Bihar rail traffic on Patna- Howrah section has been restored. Movement of trains on this section was paralysed following blowing up of railway track in between Narganjo and Ghorparan stations in Jamui district of the state in wee hours on Tuesday.Maoists torched rail cabin and blew up passenger shed of Narganjo station. Maoists also thrashed railway employees and the Cabinman of the station was made hostage for two hours.Railways have intensified patrolling along railway track to avert further untoward incidents. A massive combing operation is on to nab the Maoists.In Orissa, there has been no reports of any violence on the last day of the 3-day bandh call given by Maoists. Life continues to be normal with security forces keeping a vigil eye in the Maoist-affected districts of the state.AIR correspondent reports, today is the last day of the 3-day bandh call given by Maoists in Orissa protesting Operation Green Hunt.After landmine explosion near Bhalulata Railway Station in Sundergarh district on the first day and some minor incidents on the second day of the bandh call, there has been no reports of violence on Tuesday from any parts of Orissa.However, as a part of security measure, the State Government has stopped plying of state-run Orissa State Road Transport Corporation buses.Security personnel in red-ultra menace districts like Malkangiri, Sundergarh, Gajapati, Koraput, Rayagada have been kept on high alert to avoid any untoward incidents.