BJP has fielded 13 candidates while its ally JD(U) has fielded 20 in these two regions. VIP is contesting on 3 seats while one candidate of HAM-S is trying his luck in the last phase.
Apart from NDA, Mahagathbandhan and a third front comprising RLSP, BSP, AIMIM and some other parties are contesting the election. There are also new entrants and smaller parties in the fray.
Prime Minister Narendra Modi is scheduled to address election rallies in Samastipur, East Champaran and West Champaran today.
PM Modi appealed to the people to cast their votes for National Democratic Alliance (NDA) candidates to save Bihar from becoming 'bimar'.
Polling for the second phase to take place on November 3 and for the third phase on November 7. The counting of votes will be done on November 10.