Maoists have given a day- long Jharkhand bandh call in protest against police operation against them. AIR Ranchi correspondent reports that elaborate security arrangements have been made in the wake of the Maoist bandh call in the run-up to the Assembly elections in the state. Security personnel have been put on high alert and a massive combing operation is on in sensitive areas of the state to diffuse maoist action. Maoists are demanding withdrawal of security arrangements occupying schools and government buildings. Among its other demands, the banned outfit has asked the government to put an immediate end to proposed Operation Green Hunt and withdrawal security forces occupying schools and government buildings.