In Bihar, adequate security arrangements have been made to deal with Naxal threats during the sixth and final phase of elections in 26 Assembly constituencies on Saturday. State Director General of Police Neelmani told AIR that 18 out of 26 constituencies are Naxal affected. He said all booths in this phase will be manned by jawans of central para-military forces. AIR Patna correspondent reports, poll timing in Naxal affected constituencies will be from 7 am to 3 pm. In other constituencies polling will end at 5pm. Director General of Police said that every thing has been done to ensure that the Reds get no advantage during the polling.Meanwhile, the Deputy Election Commissioner Vinod Zutshi is meeting today officials of Rohtash, Kaimur and Buxar districts to review election preparedness. Four Maoists were arrested in Munger district after fierce gun battle with security personnel during combing operation. Two Maoists were injured in this gun battle. The arrested extremists were involved in Kajra( Lakhisarai) incident. In another incident Gaya police arrested two hardcore Maoists along with their weapons.Meanwhile, campaigning has reached at a new height with canvassing of Sonia Gandhi and LK Advani at Kaimur and Rohtas districts for their party candidates. Mrs. Gandhi will be at Buxar this afternoon. Samajwadi Party Chief Mulayam Singh Yadav also addressed public meetings in Kaimur. AIR correspondent reports earlier JDU leader and Chief Minister Nitish Kumar had announced for taking a break from campaigning today on the occasion of Eid but due to need of the hour, he addressed election rallies at Rohtas district. Most of the major political parties have put their maximum strength for campaigning which ends tomorrow.