Campaigning for sixth and final phase of Assembly elections in Bihar has reached a feverish pitch as only two days have been left for the purpose. 26 constituencies spread over five districts will go to polls in this phase on Saturday. Different political parties have pressed their top leaders into campaigning which will end tomorrow. AIR correspondent reports that Congress President Sonia Gandhi and Senior BJP leader LK Advani will address a series of rallies today at Kaimur, Buxar and Rohtas districts.