In Bihar, campaigning has been intensified in those areas where remaining three phases of elections are to be held. The campaigning for the fourth phase of election will end tomorrow. 42 constituencies will go to the polls in this phase on Monday.Stalwarts of different political parties are making whirlwind tours to muster support for their party candidates. AIR correspondent reports that leaders of different political parties including senior BJP leader L.K. Advani, Senior Janata Dal ( United) leader and Chief Minister Nitish Kumar, State Congress President Mehboob Ali Qaiser, RJD Chief Lalu Prasad Yadav, LJP President Ram Vilash Paswan today addressed a series of election meetings in different parts of the state.